diff --git a/data/uking_functions.csv b/data/uking_functions.csv
index 2806fda8..eee2aca6 100644
--- a/data/uking_functions.csv
+++ b/data/uking_functions.csv
@@ -73900,9 +73900,9 @@
 0x0000007100d4e310,sub_7100D4E310,28,_ZN4ksys3map10ObjectLink14sub_7100D4E310ENS0_14MapLinkDefTypeE?
 0x0000007100d4e32c,isPlacementLODOrForSaleLink,24,_ZN4ksys3map10ObjectLink27isPlacementLODOrForSaleLinkENS0_14MapLinkDefTypeE
 0x0000007100d4e344,PlacementLinkData::ctor,44,_ZN4ksys3map14ObjectLinkDataC1Ev
-0x0000007100d4e370,PlacementLinkData::deleteArrays,136,_ZN4ksys3map14ObjectLinkData12deleteArraysEv!
+0x0000007100d4e370,PlacementLinkData::deleteArrays,136,_ZN4ksys3map14ObjectLinkData12deleteArraysEv
 0x0000007100d4e3f8,PlacementLinkData::allocLinks,556,
-0x0000007100d4e624,PlacementLinkData::allocLinksToSelf,212,_ZN4ksys3map14ObjectLinkData16allocLinksToSelfEiPN4sead4HeapE!
+0x0000007100d4e624,PlacementLinkData::allocLinksToSelf,212,_ZN4ksys3map14ObjectLinkData16allocLinksToSelfEiPN4sead4HeapE
 0x0000007100d4e6f8,PlacementLinkData::dtor,292,
 0x0000007100d4e81c,PlacementObj::x,256,
 0x0000007100d4e91c,PlacementLinkData::addLink,440,
diff --git a/src/KingSystem/ActorSystem/CMakeLists.txt b/src/KingSystem/ActorSystem/CMakeLists.txt
index 27fd0a4a..fe74e421 100644
--- a/src/KingSystem/ActorSystem/CMakeLists.txt
+++ b/src/KingSystem/ActorSystem/CMakeLists.txt
@@ -86,6 +86,8 @@ target_sources(uking PRIVATE
   actBaseProcMgr.h
   actBaseProcUnit.cpp
   actBaseProcUnit.h
+  actClusteredRenderer.cpp
+  actClusteredRenderer.h
   actDebug.cpp
   actDebug.h
   actGlobalParameter.cpp
diff --git a/src/KingSystem/ActorSystem/actClusteredRenderer.cpp b/src/KingSystem/ActorSystem/actClusteredRenderer.cpp
new file mode 100644
index 00000000..fdf4b2fd
--- /dev/null
+++ b/src/KingSystem/ActorSystem/actClusteredRenderer.cpp
@@ -0,0 +1 @@
+#include "KingSystem/ActorSystem/actClusteredRenderer.h"
diff --git a/src/KingSystem/Map/mapClusteredRenderer.h b/src/KingSystem/ActorSystem/actClusteredRenderer.h
similarity index 61%
rename from src/KingSystem/Map/mapClusteredRenderer.h
rename to src/KingSystem/ActorSystem/actClusteredRenderer.h
index 91103d68..d9e68db9 100644
--- a/src/KingSystem/Map/mapClusteredRenderer.h
+++ b/src/KingSystem/ActorSystem/actClusteredRenderer.h
@@ -1,10 +1,10 @@
 #pragma once
 
-namespace ksys::map {
+namespace ksys::act {
 
 class ClusteredRenderer {
 public:
     void startThread();
 };
 
-}  // namespace ksys::map
+}  // namespace ksys::act
diff --git a/src/KingSystem/CMakeLists.txt b/src/KingSystem/CMakeLists.txt
index 80c07ae8..9c40f3ff 100644
--- a/src/KingSystem/CMakeLists.txt
+++ b/src/KingSystem/CMakeLists.txt
@@ -9,6 +9,7 @@ add_subdirectory(Ecosystem)
 add_subdirectory(Effect)
 add_subdirectory(Event)
 add_subdirectory(Framework)
+add_subdirectory(Graphics)
 add_subdirectory(Map)
 add_subdirectory(Mii)
 add_subdirectory(Physics)
diff --git a/src/KingSystem/Graphics/CMakeLists.txt b/src/KingSystem/Graphics/CMakeLists.txt
new file mode 100644
index 00000000..fdc1c04b
--- /dev/null
+++ b/src/KingSystem/Graphics/CMakeLists.txt
@@ -0,0 +1,4 @@
+target_sources(uking PRIVATE
+  gfxForestRenderer.cpp
+  gfxForestRenderer.h
+)
diff --git a/src/KingSystem/Graphics/gfxForestRenderer.cpp b/src/KingSystem/Graphics/gfxForestRenderer.cpp
new file mode 100644
index 00000000..8055101d
--- /dev/null
+++ b/src/KingSystem/Graphics/gfxForestRenderer.cpp
@@ -0,0 +1 @@
+#include "KingSystem/Graphics/gfxForestRenderer.h"
diff --git a/src/KingSystem/Graphics/gfxForestRenderer.h b/src/KingSystem/Graphics/gfxForestRenderer.h
new file mode 100644
index 00000000..ec4d76c3
--- /dev/null
+++ b/src/KingSystem/Graphics/gfxForestRenderer.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <math/seadVector.h>
+
+namespace ksys::gfx {
+
+class ForestRenderer {
+public:
+    s32 x_7(const sead::Vector3f& vec);
+};
+
+}  // namespace ksys::gfx
diff --git a/src/KingSystem/Map/CMakeLists.txt b/src/KingSystem/Map/CMakeLists.txt
index 47c18a8c..7336bfd1 100644
--- a/src/KingSystem/Map/CMakeLists.txt
+++ b/src/KingSystem/Map/CMakeLists.txt
@@ -1,6 +1,4 @@
 target_sources(uking PRIVATE
-  mapClusteredRenderer.cpp
-  mapClusteredRenderer.h
   mapTypes.h
   mapDebug.cpp
   mapDebug.h
@@ -18,6 +16,8 @@ target_sources(uking PRIVATE
   mapPlacementMgr.h
   mapPlacementTree.cpp
   mapPlacementTree.h
+  mapRail.cpp
+  mapRail.h
   mapStagePreActorCache.cpp
   mapStagePreActorCache.h
 )
diff --git a/src/KingSystem/Map/mapClusteredRenderer.cpp b/src/KingSystem/Map/mapClusteredRenderer.cpp
deleted file mode 100644
index 20b3f086..00000000
--- a/src/KingSystem/Map/mapClusteredRenderer.cpp
+++ /dev/null
@@ -1 +0,0 @@
-#include "KingSystem/Map/mapClusteredRenderer.h"
diff --git a/src/KingSystem/Map/mapObject.cpp b/src/KingSystem/Map/mapObject.cpp
index d198ab44..4cdc137f 100644
--- a/src/KingSystem/Map/mapObject.cpp
+++ b/src/KingSystem/Map/mapObject.cpp
@@ -2,6 +2,7 @@
 #include "KingSystem/ActorSystem/actBaseProcMgr.h"
 #include "KingSystem/ActorSystem/actInfoData.h"
 #include "KingSystem/GameData/gdtManager.h"
+#include "KingSystem/Graphics/gfxForestRenderer.h"
 #include "KingSystem/Map/mapObjectLink.h"
 #include "KingSystem/Map/mapPlacementMgr.h"
 #include "KingSystem/Map/mapStagePreActorCache.h"
@@ -430,7 +431,7 @@ bool Object::setupTargetLinks(Object* src, ObjectLink* link, sead::Heap* heap) {
             return false;
     }
 
-    if (mLinkData->mLinksToSelf.links != nullptr)
+    if (mLinkData->mLinksToSelf.links.isBufferReady())
         return mLinkData->sub_7100D4EC40(src, link, this);
 
     if (!mLinkData->allocLinksToSelf(mNumLinksPointingToMe, heap))
@@ -498,7 +499,7 @@ void* Object::getRails() const {
 void* Object::getRails_0() const {
     if (mLinkData == nullptr)
         return nullptr;
-    return mLinkData->mRails;
+    return mLinkData->mRail;
 }
 
 bool Object::allocLinkData(sead::Heap* heap) {
diff --git a/src/KingSystem/Map/mapObjectLink.cpp b/src/KingSystem/Map/mapObjectLink.cpp
index fbfca297..2f2d44ca 100644
--- a/src/KingSystem/Map/mapObjectLink.cpp
+++ b/src/KingSystem/Map/mapObjectLink.cpp
@@ -138,44 +138,24 @@ bool ObjectLink::getObjectProcWithAccessor(act::ActorLinkConstDataAccess& access
 ObjectLinkData::ObjectLinkData() = default;
 
 void ObjectLinkData::deleteArrays() {
-    if (mRails) {
-        delete mRails;
-        mRails = nullptr;
+    if (mRail) {
+        delete mRail;
+        mRail = nullptr;
     }
 
-    if (mLinksOther.links) {
-        delete mLinksOther.links;
-        mLinksOther.links = nullptr;
-        mLinksOther.num_links = 0;
-    }
-
-    if (mLinksCs.links) {
-        delete mLinksCs.links;
-        mLinksCs.links = nullptr;
-        mLinksCs.num_links = 0;
-    }
-
-    if (mLinksReference) {
-        delete mLinksReference;
-        mLinksReference = nullptr;
-        mNumLinksReference = 0;
-    }
-
-    if (mLinksToSelf.links) {
-        delete mLinksToSelf.links;
-        mLinksToSelf.links = nullptr;
-        mLinksToSelf.num_links = 0;
-    }
+    mLinksOther.links.freeBuffer();
+    mLinksCs.links.freeBuffer();
+    mObjects.freeBuffer();
+    mLinksToSelf.links.freeBuffer();
 }
 
 bool ObjectLinkData::allocLinksToSelf(s32 num_links, sead::Heap* heap) {
-    if (num_links < 1)
-        return true;
-
-    mLinksToSelf.links = new (heap, std::nothrow_t()) ObjectLink[num_links]();
-    mLinksToSelf.num_links = num_links;
-
-    return mLinksToSelf.links != nullptr;
+    if (num_links >= 1) {
+        mLinksToSelf.links.tryAllocBuffer(num_links, heap);
+        if (!mLinksToSelf.links.isBufferReady())
+            return false;
+    }
+    return true;
 }
 
 ObjectLink* ObjectLinkData::findLinkWithType(MapLinkDefType t) {
@@ -241,7 +221,7 @@ ObjectLink* ObjectLinkArray::findLinkWithType(MapLinkDefType type) {
 }
 
 ObjectLink* ObjectLinkArray::findLinkWithType_0(MapLinkDefType type) {
-    for (int i = 0; i != num_links; ++i) {
+    for (int i = 0; i < links.size(); ++i) {
         if (links[i].type == type)
             return &links[i];
     }
diff --git a/src/KingSystem/Map/mapObjectLink.h b/src/KingSystem/Map/mapObjectLink.h
index d58a1c32..0068fe9f 100644
--- a/src/KingSystem/Map/mapObjectLink.h
+++ b/src/KingSystem/Map/mapObjectLink.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <basis/seadTypes.h>
+#include <container/seadBuffer.h>
 #include "KingSystem/Map/mapMubinIter.h"
 #include "KingSystem/Utils/Types.h"
 
@@ -13,6 +14,7 @@ namespace ksys::map {
 
 class GenGroup;
 class Object;
+class Rail;
 
 enum class MapLinkDefType {
     BasicSig = 0,
@@ -61,6 +63,7 @@ enum class MapLinkDefType {
 };
 
 struct ObjectLink {
+    ~ObjectLink() {}
     act::Actor* getObjectActor() const;
     bool getObjectProcWithAccessor(act::ActorLinkConstDataAccess& accessor) const;
     const char* getDescription() const;
@@ -81,8 +84,7 @@ struct ObjectLinkArray {
     ObjectLink* findLinkWithType(MapLinkDefType type);
     ObjectLink* findLinkWithType_0(MapLinkDefType type);
 
-    s32 num_links = 0;
-    ObjectLink* links = nullptr;
+    sead::Buffer<ObjectLink> links;
 };
 KSYS_CHECK_SIZE_NX150(ObjectLinkArray, 0x10);
 
@@ -112,9 +114,8 @@ public:
 
     Object* mCreateLinksSrcObj = nullptr;
     Object* mDeleteLinksSrcObj = nullptr;
-    u32 mNumLinksReference = 0;
 
-    void* mLinksReference = nullptr;
+    sead::Buffer<Object*> mObjects;
     ObjectLinkArray mLinksOther{};
     ObjectLinkArray mLinksCs{};
     ObjectLinkArray mLinksToSelf{};
@@ -126,7 +127,7 @@ public:
     bool field_57 = false;
 
     GenGroup* mGenGroup = nullptr;
-    void* mRails = nullptr;
+    Rail* mRail = nullptr;
 };
 KSYS_CHECK_SIZE_NX150(ObjectLinkData, 0x68);
 
diff --git a/src/KingSystem/Map/mapPlacementMgr.cpp b/src/KingSystem/Map/mapPlacementMgr.cpp
index 6e6c3f9b..807dc199 100644
--- a/src/KingSystem/Map/mapPlacementMgr.cpp
+++ b/src/KingSystem/Map/mapPlacementMgr.cpp
@@ -1,9 +1,9 @@
 #include "KingSystem/Map/mapPlacementMgr.h"
 #include <thread/seadThreadUtil.h>
 #include "KingSystem/ActorSystem/actActorCreator.h"
+#include "KingSystem/ActorSystem/actClusteredRenderer.h"
 #include "KingSystem/ActorSystem/actInfoData.h"
 #include "KingSystem/ActorSystem/actInstParamPack.h"
-#include "KingSystem/Map/mapClusteredRenderer.h"
 #include "KingSystem/Map/mapObject.h"
 #include "KingSystem/Map/mapPlacementActors.h"
 #include "KingSystem/Map/mapPlacementTree.h"
diff --git a/src/KingSystem/Map/mapPlacementMgr.h b/src/KingSystem/Map/mapPlacementMgr.h
index 40ca95d6..d8189dfd 100644
--- a/src/KingSystem/Map/mapPlacementMgr.h
+++ b/src/KingSystem/Map/mapPlacementMgr.h
@@ -7,12 +7,12 @@
 #include "KingSystem/ActorSystem/actActor.h"
 
 namespace ksys::act {
+class ClusteredRenderer;
 class InstParamPack;
-}
+}  // namespace ksys::act
 
 namespace ksys::map {
 
-class ClusteredRenderer;
 class Object;
 class PlacementTree;
 class PlacementActors;
@@ -131,7 +131,7 @@ public:
     PlacementTree* mPlacementTree = nullptr;
     u32 _7a8;
     void* mMassRenderer = nullptr;
-    ClusteredRenderer* mClusteredRenderer = nullptr;
+    act::ClusteredRenderer* mClusteredRenderer = nullptr;
     void* mPlacementNavi = nullptr;
     u32 mMassRendererReqCount = 0;
     u32 mMassRendererStatus = 0;
diff --git a/src/KingSystem/Map/mapRail.cpp b/src/KingSystem/Map/mapRail.cpp
new file mode 100644
index 00000000..939707d6
--- /dev/null
+++ b/src/KingSystem/Map/mapRail.cpp
@@ -0,0 +1 @@
+#include "KingSystem/Map/mapRail.h"
diff --git a/src/KingSystem/Map/mapRail.h b/src/KingSystem/Map/mapRail.h
new file mode 100644
index 00000000..dbbfca39
--- /dev/null
+++ b/src/KingSystem/Map/mapRail.h
@@ -0,0 +1,7 @@
+#pragma once
+
+namespace ksys::map {
+
+class Rail {};
+
+}  // namespace ksys::map
diff --git a/src/KingSystem/Map/mapStagePreActorCache.h b/src/KingSystem/Map/mapStagePreActorCache.h
index a739f1ba..7d87c958 100644
--- a/src/KingSystem/Map/mapStagePreActorCache.h
+++ b/src/KingSystem/Map/mapStagePreActorCache.h
@@ -3,12 +3,11 @@
 #include <heap/seadDisposer.h>
 #include <math/seadVector.h>
 
-namespace ksys::map {
+namespace ksys::gfx {
+class ForestRenderer;
+}
 
-class ForestRenderer {
-public:
-    s32 x_7(const sead::Vector3f& vec);
-};
+namespace ksys::map {
 
 // TODO
 class StagePreActorCache {
@@ -19,7 +18,7 @@ public:
     auto* getForestRenderer() { return mForestRenderer; }
 
 private:
-    ForestRenderer* mForestRenderer;
+    gfx::ForestRenderer* mForestRenderer;
 };
 
 }  // namespace ksys::map