diff --git a/src/KingSystem/GameData/CMakeLists.txt b/src/KingSystem/GameData/CMakeLists.txt
index 60a64b50..b8ff7c44 100644
--- a/src/KingSystem/GameData/CMakeLists.txt
+++ b/src/KingSystem/GameData/CMakeLists.txt
@@ -4,6 +4,8 @@ target_sources(uking PRIVATE
   gdtFlagProxy.h
   gdtManager.cpp
   gdtManager.h
+  gdtSaveMgr.cpp
+  gdtSaveMgr.h
   gdtTriggerParam.cpp
   gdtTriggerParam.h
 )
diff --git a/src/KingSystem/GameData/gdtSaveMgr.cpp b/src/KingSystem/GameData/gdtSaveMgr.cpp
new file mode 100644
index 00000000..10768040
--- /dev/null
+++ b/src/KingSystem/GameData/gdtSaveMgr.cpp
@@ -0,0 +1 @@
+#include "KingSystem/GameData/gdtSaveMgr.h"
diff --git a/src/KingSystem/GameData/gdtSaveMgr.h b/src/KingSystem/GameData/gdtSaveMgr.h
new file mode 100644
index 00000000..a978e30e
--- /dev/null
+++ b/src/KingSystem/GameData/gdtSaveMgr.h
@@ -0,0 +1,41 @@
+#pragma once
+
+#include <basis/seadTypes.h>
+#include <heap/seadDisposer.h>
+#include <mc/seadCoreInfo.h>
+#include <prim/seadSafeString.h>
+#include "KingSystem/Utils/Types.h"
+
+namespace ksys {
+
+// FIXME
+class SaveMgr {
+    SEAD_SINGLETON_DISPOSER(SaveMgr)
+    SaveMgr();
+    virtual ~SaveMgr();
+
+public:
+    struct InitArg {
+        sead::Heap* heap;
+        u32 _8;
+        u32 buf_size;
+        u32 buf_alignment;
+        u32 size2;
+        u32 thread_priority;
+        u32 _1c;
+        sead::CoreIdMask thread_affinity;
+        sead::SafeString save_common_str = "save_common";
+        sead::SafeString save_act_str = "save_act";
+        bool is_demo = false;
+        sead::SafeString save_rid_demo_dir;
+        void* _60 = nullptr;
+        u32 _68 = 0;
+        u32 _6c;
+    };
+    KSYS_CHECK_SIZE_NX150(InitArg, 0x70);
+
+    void init(const InitArg& arg);
+    void loadGameSaveData();
+};
+
+}  // namespace ksys