diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_content_meta_database_impl.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_content_meta_database_impl.hpp
index 7c9a8e9ad..05ebe160d 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_content_meta_database_impl.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_content_meta_database_impl.hpp
@@ -27,7 +27,7 @@ namespace ams::ncm {
             using ListType = ncm::IntegratedList<ncm::IContentMetaDatabase, 2>;
             using DataType = ListType::ListData;
         private:
-            os::SdkMutex m_mutex;
+            os::SdkRecursiveMutex m_mutex;
             ListType m_list;
             bool m_disabled;
         public:
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_content_storage_impl.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_content_storage_impl.hpp
index 86b19a7d5..c0d5a9dad 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_content_storage_impl.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_content_storage_impl.hpp
@@ -27,7 +27,7 @@ namespace ams::ncm {
             using ListType = ncm::IntegratedList<ncm::IContentStorage, 2>;
             using DataType = ListType::ListData;
         private:
-            os::SdkMutex m_mutex;
+            os::SdkRecursiveMutex m_mutex;
             ListType m_list;
             bool m_disabled;
         public:
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_list.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_list.hpp
index 3451301d6..778eec60b 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_list.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_integrated_list.hpp
@@ -77,6 +77,15 @@ namespace ams::ncm {
 
                 R_RETURN(result);
             }
+
+            Result ForAll(auto callback) {
+                for (size_t i = 0; i < m_count; ++i) {
+                    R_TRY(callback(this->Get(i)));
+                }
+                R_SUCCEED();
+            }
+
+            size_t GetCount() const { return m_count; }
     };
 
 }
diff --git a/libraries/libstratosphere/source/ncm/ncm_integrated_content_meta_database_impl.cpp b/libraries/libstratosphere/source/ncm/ncm_integrated_content_meta_database_impl.cpp
new file mode 100644
index 000000000..2a0ca8f51
--- /dev/null
+++ b/libraries/libstratosphere/source/ncm/ncm_integrated_content_meta_database_impl.cpp
@@ -0,0 +1,449 @@
+/*
+ * Copyright (c) Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::ncm {
+
+    Result IntegratedContentMetaDatabaseImpl::Set(const ContentMetaKey &key, const sf::InBuffer &value) {
+        AMS_UNUSED(key, value);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::Get(sf::Out<u64> out_size, const ContentMetaKey &key, const sf::OutBuffer &out_value) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->Get(out_size, key, out_value));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::Remove(const ContentMetaKey &key) {
+        AMS_UNUSED(key);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetContentIdByType(sf::Out<ContentId> out_content_id, const ContentMetaKey &key, ContentType type) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetContentIdByType(out_content_id, key, type));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::ListContentInfo(sf::Out<s32> out_entries_written, const sf::OutArray<ContentInfo> &out_info, const ContentMetaKey &key, s32 offset) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Check if the current interface has it. */
+            bool has;
+            R_TRY(data.interface->Has(std::addressof(has), key));
+
+            /* If it doesn't, continue on. */
+            R_UNLESS(has, ncm::ResultContentMetaNotFound());
+
+
+            /* If it does, list the content infos. */
+            R_RETURN(data.interface->ListContentInfo(out_entries_written, out_info, key, offset));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::List(sf::Out<s32> out_entries_total, sf::Out<s32> out_entries_written, const sf::OutArray<ContentMetaKey> &out_info, ContentMetaType meta_type, ApplicationId application_id, u64 min, u64 max, ContentInstallType install_type) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* List on all databases. */
+        s32 entries_total   = 0;
+        s32 entries_written = 0;
+        R_TRY(m_list.ForAll([&](const auto &data) {
+            /* List on the current database. */
+            s32 cur_total;
+            s32 cur_written;
+            R_TRY(data.interface->List(std::addressof(cur_total), std::addressof(cur_written), sf::OutArray<ContentMetaKey>{out_info.GetPointer() + entries_written, out_info.GetSize() - entries_written}, meta_type, application_id, min, max, install_type));
+
+            /* Add to the totals. */
+            entries_total   += cur_total;
+            entries_written += cur_written;
+            R_SUCCEED();
+        }));
+
+        /* Set output. */
+        *out_entries_total   = entries_total;
+        *out_entries_written = entries_written;
+        R_SUCCEED();
+    }
+    Result IntegratedContentMetaDatabaseImpl::GetLatestContentMetaKey(sf::Out<ContentMetaKey> out_key, u64 id) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetLatestContentMetaKey(out_key, id));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::ListApplication(sf::Out<s32> out_entries_total, sf::Out<s32> out_entries_written, const sf::OutArray<ApplicationContentMetaKey> &out_keys, ContentMetaType meta_type) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* List on all databases. */
+        s32 entries_total   = 0;
+        s32 entries_written = 0;
+        R_TRY(m_list.ForAll([&](const auto &data) {
+            /* List on the current database. */
+            s32 cur_total;
+            s32 cur_written;
+            R_TRY(data.interface->ListApplication(std::addressof(cur_total), std::addressof(cur_written), sf::OutArray<ApplicationContentMetaKey>{out_keys.GetPointer() + entries_written, out_keys.GetSize() - entries_written}, meta_type));
+
+            /* Add to the totals. */
+            entries_total   += cur_total;
+            entries_written += cur_written;
+            R_SUCCEED();
+        }));
+
+        /* Set output. */
+        *out_entries_total   = entries_total;
+        *out_entries_written = entries_written;
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::Has(sf::Out<bool> out, const ContentMetaKey &key) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* If we don't locate the content meta, set the output to false. */
+        *out = false;
+        ON_RESULT_INCLUDED(ncm::ResultContentMetaNotFound) { *out = false; };
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Check if the current interface has it. */
+            R_TRY(data.interface->Has(out, key));
+
+            /* If it doesn't, continue on. */
+            R_UNLESS(*out, ncm::ResultContentMetaNotFound());
+
+            /* If it does, we're done looking. */
+            R_SUCCEED();
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::HasAll(sf::Out<bool> out, const sf::InArray<ContentMetaKey> &keys) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+        *out = false;
+
+        /* Check if keys are present. */
+        for (size_t i = 0; i < keys.GetSize(); i++) {
+            /* Check if we have the current key. */
+            bool has;
+            R_TRY(this->Has(std::addressof(has), keys[i]));
+
+            /* If we don't, then we can early return because we don't have all. */
+            R_SUCCEED_IF(!has);
+        }
+
+        *out = true;
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetSize(sf::Out<u64> out_size, const ContentMetaKey &key) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetSize(out_size, key));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetRequiredSystemVersion(sf::Out<u32> out_version, const ContentMetaKey &key) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetRequiredSystemVersion(out_version, key));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetPatchContentMetaId(sf::Out<u64> out_patch_id, const ContentMetaKey &key) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetPatchContentMetaId(out_patch_id, key));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::DisableForcibly() {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        m_disabled = true;
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::LookupOrphanContent(const sf::OutArray<bool> &out_orphaned, const sf::InArray<ContentId> &content_ids) {
+        AMS_UNUSED(out_orphaned, content_ids);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::Commit() {
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::HasContent(sf::Out<bool> out, const ContentMetaKey &key, const ContentId &content_id) {
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Check if the current interface has it. */
+            /* NOTE: Nintendo bug: Nintendo calls this->Has(), which is likely a copy paste error from ::HasAll... */
+            bool has;
+            R_TRY(data.interface->Has(std::addressof(has), key));
+
+            /* If it doesn't, continue on. */
+            R_UNLESS(has, ncm::ResultContentMetaNotFound());
+
+            /* If it does, list the content infos. */
+            R_RETURN(data.interface->HasContent(out, key, content_id));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::ListContentMetaInfo(sf::Out<s32> out_entries_written, const sf::OutArray<ContentMetaInfo> &out_meta_info, const ContentMetaKey &key, s32 offset) {
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Check if the current interface has it. */
+            bool has;
+            R_TRY(data.interface->Has(std::addressof(has), key));
+
+            /* If it doesn't, continue on. */
+            R_UNLESS(has, ncm::ResultContentMetaNotFound());
+
+            /* If it does, list the content infos. */
+            R_RETURN(data.interface->ListContentMetaInfo(out_entries_written, out_meta_info, key, offset));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetAttributes(sf::Out<u8> out_attributes, const ContentMetaKey &key) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetAttributes(out_attributes, key));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetRequiredApplicationVersion(sf::Out<u32> out_version, const ContentMetaKey &key) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetRequiredApplicationVersion(out_version, key));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetContentIdByTypeAndIdOffset(sf::Out<ContentId> out_content_id, const ContentMetaKey &key, ContentType type, u8 id_offset) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetContentIdByTypeAndIdOffset(out_content_id, key, type, id_offset));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetCount(sf::Out<u32> out_count) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* List on all databases. */
+        u32 total = 0;
+        R_TRY(m_list.ForAll([&](const auto &data) {
+            /* List on the current database. */
+            u32 cur;
+            R_TRY(data.interface->GetCount(std::addressof(cur)));
+
+            /* Add to the totals. */
+            total += cur;
+            R_SUCCEED();
+        }));
+
+        /* Set output. */
+        *out_count = total;
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetOwnerApplicationId(sf::Out<ApplicationId> out_id, const ContentMetaKey &key) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetOwnerApplicationId(out_id, key));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetContentAccessibilities(sf::Out<u8> out_accessibilities, const ContentMetaKey &key) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetContentAccessibilities(out_accessibilities, key));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetContentInfoByType(sf::Out<ContentInfo> out_content_info, const ContentMetaKey &key, ContentType type) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetContentInfoByType(out_content_info, key, type));
+        }));
+    }
+
+    Result IntegratedContentMetaDatabaseImpl::GetContentInfoByTypeAndIdOffset(sf::Out<ContentInfo> out_content_info, const ContentMetaKey &key, ContentType type, u8 id_offset) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentMetaNotFound());
+
+        /* Check each interface in turn. */
+        R_RETURN(m_list.TryEach([&](const auto &data) {
+            /* Try the current interface. */
+            R_RETURN(data.interface->GetContentInfoByTypeAndIdOffset(out_content_info, key, type, id_offset));
+        }));
+    }
+
+}
diff --git a/libraries/libstratosphere/source/ncm/ncm_integrated_content_storage_impl.cpp b/libraries/libstratosphere/source/ncm/ncm_integrated_content_storage_impl.cpp
new file mode 100644
index 000000000..0ac66dfee
--- /dev/null
+++ b/libraries/libstratosphere/source/ncm/ncm_integrated_content_storage_impl.cpp
@@ -0,0 +1,333 @@
+/*
+ * Copyright (c) Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+
+namespace ams::ncm {
+
+    Result IntegratedContentStorageImpl::GeneratePlaceHolderId(sf::Out<PlaceHolderId> out) {
+        AMS_UNUSED(out);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::CreatePlaceHolder(PlaceHolderId placeholder_id, ContentId content_id, s64 size) {
+        AMS_UNUSED(placeholder_id, content_id, size);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::DeletePlaceHolder(PlaceHolderId placeholder_id) {
+        AMS_UNUSED(placeholder_id);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::HasPlaceHolder(sf::Out<bool> out, PlaceHolderId placeholder_id) {
+        AMS_UNUSED(placeholder_id);
+
+        /* Integrated storages cannot have placeholders. */
+        *out = false;
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::WritePlaceHolder(PlaceHolderId placeholder_id, s64 offset, const sf::InBuffer &data) {
+        AMS_UNUSED(placeholder_id, offset, data);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::Register(PlaceHolderId placeholder_id, ContentId content_id) {
+        AMS_UNUSED(placeholder_id, content_id);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::Delete(ContentId content_id) {
+        AMS_UNUSED(content_id);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::Has(sf::Out<bool> out, ContentId content_id) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* If we don't locate the content, set the output to false. */
+        *out = false;
+        ON_RESULT_INCLUDED(ncm::ResultContentNotFound) { *out = false; };
+
+        /* Check each interface in turn. */
+        R_TRY(m_list.TryEach([&](const auto &data) {
+            /* Check if the current interface has it. */
+            R_TRY(data.interface->Has(out, content_id));
+
+            /* If it doesn't, continue on. */
+            R_UNLESS(*out, ncm::ResultContentNotFound());
+
+            /* If it does, we're done looking. */
+            R_SUCCEED();
+        }));
+
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::GetPath(sf::Out<Path> out, ContentId content_id) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentNotFound());
+
+        /* Check each interface in turn. */
+        R_TRY(m_list.TryEach([&](const auto &data) {
+            /* Check if the current interface has it. */
+            bool has;
+            R_TRY(data.interface->Has(std::addressof(has), content_id));
+
+            /* If it doesn't, continue on. */
+            R_UNLESS(has, ncm::ResultContentNotFound());
+
+
+            /* If it does, get the path. */
+            R_RETURN(data.interface->GetPath(out, content_id));
+        }));
+
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::GetPlaceHolderPath(sf::Out<Path> out, PlaceHolderId placeholder_id) {
+        AMS_UNUSED(out, placeholder_id);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::CleanupAllPlaceHolder() {
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::ListPlaceHolder(sf::Out<s32> out_count, const sf::OutArray<PlaceHolderId> &out_buf) {
+        AMS_UNUSED(out_buf);
+        *out_count = 0;
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::GetContentCount(sf::Out<s32> out_count) {
+        *out_count = 0;
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::ListContentId(sf::Out<s32> out_count, const sf::OutArray<ContentId> &out_buf, s32 offset) {
+        AMS_UNUSED(out_buf, offset);
+        *out_count = 0;
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::GetSizeFromContentId(sf::Out<s64> out_size, ContentId content_id) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentNotFound());
+
+        /* Check each interface in turn. */
+        R_TRY(m_list.TryEach([&](const auto &data) {
+            /* Check if the current interface has it. */
+            bool has;
+            R_TRY(data.interface->Has(std::addressof(has), content_id));
+
+            /* If it doesn't, continue on. */
+            R_UNLESS(has, ncm::ResultContentNotFound());
+
+
+            /* If it does, get the size. */
+            R_RETURN(data.interface->GetSizeFromContentId(out_size, content_id));
+        }));
+
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::DisableForcibly() {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        m_disabled = true;
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::RevertToPlaceHolder(PlaceHolderId placeholder_id, ContentId old_content_id, ContentId new_content_id) {
+        AMS_UNUSED(placeholder_id, old_content_id, new_content_id);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::SetPlaceHolderSize(PlaceHolderId placeholder_id, s64 size) {
+        AMS_UNUSED(placeholder_id, size);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::ReadContentIdFile(const sf::OutBuffer &buf, ContentId content_id, s64 offset) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentNotFound());
+
+        /* Check each interface in turn. */
+        R_TRY(m_list.TryEach([&](const auto &data) {
+            /* Check if the current interface has it. */
+            bool has;
+            R_TRY(data.interface->Has(std::addressof(has), content_id));
+
+            /* If it doesn't, continue on. */
+            R_UNLESS(has, ncm::ResultContentNotFound());
+
+
+            /* If it does, read the file. */
+            R_RETURN(data.interface->ReadContentIdFile(buf, content_id, offset));
+        }));
+
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::GetRightsIdFromPlaceHolderIdDeprecated(sf::Out<ams::fs::RightsId> out_rights_id, PlaceHolderId placeholder_id) {
+        /* Obtain the regular rights id for the placeholder id. */
+        ncm::RightsId rights_id;
+        R_TRY(this->GetRightsIdFromPlaceHolderIdDeprecated2(std::addressof(rights_id), placeholder_id));
+
+        /* Output the fs rights id. */
+        out_rights_id.SetValue(rights_id.id);
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::GetRightsIdFromPlaceHolderIdDeprecated2(sf::Out<ncm::RightsId> out_rights_id, PlaceHolderId placeholder_id) {
+        R_RETURN(this->GetRightsIdFromPlaceHolderId(out_rights_id, placeholder_id, fs::ContentAttributes_None));
+    }
+
+    Result IntegratedContentStorageImpl::GetRightsIdFromPlaceHolderId(sf::Out<ncm::RightsId> out_rights_id, PlaceHolderId placeholder_id, fs::ContentAttributes attr) {
+        AMS_UNUSED(out_rights_id, placeholder_id, attr);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::GetRightsIdFromContentIdDeprecated(sf::Out<ams::fs::RightsId> out_rights_id, ContentId content_id) {
+        /* Obtain the regular rights id for the content id. */
+        ncm::RightsId rights_id;
+        R_TRY(this->GetRightsIdFromContentIdDeprecated2(std::addressof(rights_id), content_id));
+
+        /* Output the fs rights id. */
+        out_rights_id.SetValue(rights_id.id);
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::GetRightsIdFromContentIdDeprecated2(sf::Out<ncm::RightsId> out_rights_id, ContentId content_id) {
+        R_RETURN(this->GetRightsIdFromContentId(out_rights_id, content_id, fs::ContentAttributes_None));
+    }
+
+    Result IntegratedContentStorageImpl::GetRightsIdFromContentId(sf::Out<ncm::RightsId> out_rights_id, ContentId content_id, fs::ContentAttributes attr) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Check that our list has interfaces to check. */
+        R_UNLESS(m_list.GetCount() > 0, ncm::ResultContentNotFound());
+
+        /* Check each interface in turn. */
+        R_TRY(m_list.TryEach([&](const auto &data) {
+            /* Check if the current interface has it. */
+            bool has;
+            R_TRY(data.interface->Has(std::addressof(has), content_id));
+
+            /* If it doesn't, continue on. */
+            R_UNLESS(has, ncm::ResultContentNotFound());
+
+
+            /* If it does, read the file. */
+            R_RETURN(data.interface->GetRightsIdFromContentId(out_rights_id, content_id, attr));
+        }));
+
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::WriteContentForDebug(ContentId content_id, s64 offset, const sf::InBuffer &data) {
+        AMS_UNUSED(content_id, offset, data);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::GetFreeSpaceSize(sf::Out<s64> out_size) {
+        out_size.SetValue(0);
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::GetTotalSpaceSize(sf::Out<s64> out_size) {
+        /* Lock ourselves. */
+        std::scoped_lock lk(m_mutex);
+
+        /* Check that we're enabled. */
+        R_TRY(this->EnsureEnabled());
+
+        /* Determine the total size. */
+        s64 total_size = 0;
+        R_TRY(m_list.ForAll([&](const auto &data) {
+            /* Get the current size. */
+            s64 cur_size;
+            R_TRY(data.interface->GetTotalSpaceSize(std::addressof(cur_size)));
+
+            /* Add to the total. */
+            total_size += cur_size;
+            R_SUCCEED();
+        }));
+
+        *out_size = total_size;
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::FlushPlaceHolder() {
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::GetSizeFromPlaceHolderId(sf::Out<s64> out, PlaceHolderId placeholder_id) {
+        AMS_UNUSED(out, placeholder_id);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::RepairInvalidFileAttribute() {
+        R_SUCCEED();
+    }
+
+    Result IntegratedContentStorageImpl::GetRightsIdFromPlaceHolderIdWithCacheDeprecated(sf::Out<ncm::RightsId> out_rights_id, PlaceHolderId placeholder_id, ContentId cache_content_id) {
+        R_RETURN(this->GetRightsIdFromPlaceHolderIdWithCache(out_rights_id, placeholder_id, cache_content_id, fs::ContentAttributes_None));
+    }
+
+    Result IntegratedContentStorageImpl::GetRightsIdFromPlaceHolderIdWithCache(sf::Out<ncm::RightsId> out_rights_id, PlaceHolderId placeholder_id, ContentId cache_content_id, fs::ContentAttributes attr) {
+        AMS_UNUSED(out_rights_id, placeholder_id, cache_content_id, attr);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::RegisterPath(const ContentId &content_id, const Path &path) {
+        AMS_UNUSED(content_id, path);
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+    Result IntegratedContentStorageImpl::ClearRegisteredPath() {
+        R_THROW(ncm::ResultInvalidOperation());
+    }
+
+}