diff --git a/data/uking_functions.csv b/data/uking_functions.csv
index 2df9b93c..63dac135 100644
--- a/data/uking_functions.csv
+++ b/data/uking_functions.csv
@@ -94456,14 +94456,14 @@
 0x00000071012708f0,j__ZdlPv_1273,4,
 0x00000071012708f4,sub_71012708F4,52,
 0x0000007101270928,sub_7101270928,92,
-0x0000007101270984,sub_7101270984,100,
-0x00000071012709e8,sub_71012709E8,108,
-0x0000007101270a54,EffectInfoData::createInstance,156,
-0x0000007101270af0,sub_7101270AF0,60,
-0x0000007101270b2c,sub_7101270B2C,68,
-0x0000007101270b70,EffectInfoData::init_,308,
-0x0000007101270ca4,EffectInfoData::init,4,
-0x0000007101270ca8,EffectInfoData::getUserName,148,
+0x0000007101270984,sub_7101270984,100,_ZN4ksys3eft8InfoData18SingletonDisposer_D1Ev
+0x00000071012709e8,sub_71012709E8,108,_ZN4ksys3eft8InfoData18SingletonDisposer_D0Ev
+0x0000007101270a54,EffectInfoData::createInstance,156,_ZN4ksys3eft8InfoData14createInstanceEPN4sead4HeapE
+0x0000007101270af0,sub_7101270AF0,60,_ZN4ksys3eft8InfoDataD1Ev
+0x0000007101270b2c,sub_7101270B2C,68,_ZN4ksys3eft8InfoDataD0Ev
+0x0000007101270b70,EffectInfoData::init_,308,_ZN4ksys3eft8InfoData14loadEffectInfoEPN4sead4HeapE
+0x0000007101270ca4,EffectInfoData::init,4,_ZN4ksys3eft8InfoData4initEPN4sead4HeapE
+0x0000007101270ca8,EffectInfoData::getUserName,148,_ZNK4ksys3eft8InfoData24getEffectSettingUserNameERKN4sead14SafeStringBaseIcEE
 0x0000007101270d3c,sub_7101270D3C,596,
 0x0000007101270f90,sub_7101270F90,1096,
 0x00000071012713d8,sub_71012713D8,100,
diff --git a/src/KingSystem/CMakeLists.txt b/src/KingSystem/CMakeLists.txt
index f3f89a44..0e19ed21 100644
--- a/src/KingSystem/CMakeLists.txt
+++ b/src/KingSystem/CMakeLists.txt
@@ -6,6 +6,7 @@ add_subdirectory(ActorSystem)
 add_subdirectory(Chemical)
 add_subdirectory(Cooking)
 add_subdirectory(Ecosystem)
+add_subdirectory(Effect)
 add_subdirectory(Event)
 add_subdirectory(Framework)
 add_subdirectory(Map)
diff --git a/src/KingSystem/Effect/CMakeLists.txt b/src/KingSystem/Effect/CMakeLists.txt
new file mode 100644
index 00000000..e64a5800
--- /dev/null
+++ b/src/KingSystem/Effect/CMakeLists.txt
@@ -0,0 +1,4 @@
+target_sources(uking PRIVATE
+  eftInfoData.cpp
+  eftInfoData.h
+)
diff --git a/src/KingSystem/Effect/eftInfoData.cpp b/src/KingSystem/Effect/eftInfoData.cpp
new file mode 100644
index 00000000..298ef99f
--- /dev/null
+++ b/src/KingSystem/Effect/eftInfoData.cpp
@@ -0,0 +1,42 @@
+#include "KingSystem/Effect/eftInfoData.h"
+#include "KingSystem/Resource/resLoadRequest.h"
+
+namespace ksys::eft {
+
+SEAD_SINGLETON_DISPOSER_IMPL(InfoData)
+
+InfoData::~InfoData() {
+    if (mRootIter)
+        delete mRootIter;
+}
+
+void InfoData::loadEffectInfo(sead::Heap* heap) {
+    res::LoadRequest req;
+    req.mRequester = "eft::InfoData";
+    req._22 = true;
+    mResHandle.load("Actor/Effect/EffectInfo.byml", &req);
+
+    auto* resource = sead::DynamicCast<sead::DirectResource>(mResHandle.getResource());
+
+    if (mRootIter)
+        delete mRootIter;
+    mRootIter = new (heap) al::ByamlIter(resource->getRawData());
+}
+
+void InfoData::init(sead::Heap* heap) {
+    loadEffectInfo(heap);
+}
+
+al::ByamlIter InfoData::getIter(const sead::SafeString& key) const {
+    const auto iter = mRootIter->getIterByKey(key.cstr());
+    return al::ByamlIter(iter);
+}
+
+sead::SafeString InfoData::getEffectSettingUserName(const sead::SafeString& key) const {
+    const auto iter = getIter(key);
+    const char* value = "Dummy";
+    iter.tryGetStringByKey(&value, "EffectSettingUserName");
+    return value;
+}
+
+}  // namespace ksys::eft
diff --git a/src/KingSystem/Effect/eftInfoData.h b/src/KingSystem/Effect/eftInfoData.h
new file mode 100644
index 00000000..684b44b8
--- /dev/null
+++ b/src/KingSystem/Effect/eftInfoData.h
@@ -0,0 +1,28 @@
+#pragma once
+
+#include <heap/seadDisposer.h>
+#include "KingSystem/Resource/resHandle.h"
+#include "KingSystem/Utils/Byaml/Byaml.h"
+
+namespace ksys::eft {
+
+class InfoData {
+    SEAD_SINGLETON_DISPOSER(InfoData)
+
+    InfoData()=default;
+    virtual ~InfoData();
+
+public:
+    void init(sead::Heap* heap);
+
+    al::ByamlIter getIter(const sead::SafeString& key) const;
+    sead::SafeString getEffectSettingUserName(const sead::SafeString& key) const;
+
+private:
+    void loadEffectInfo(sead::Heap* heap);
+
+    al::ByamlIter* mRootIter{};
+    res::Handle mResHandle{};
+};
+
+}  // namespace ksys::eft