diff --git a/.gitmodules b/.gitmodules
index 0629e9e..e6245ac 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -46,3 +46,7 @@
 	path = Unity-19050-03_RoyalGallery_iPad/Packages/com.ultracombos.utility-native-plugin
 	url = https://github.com/UltraCombos/com.ultracombos.utility-native-plugin.git
 	branch = master
+[submodule "_Package/KlakSpout"]
+	path = _Package/KlakSpout
+	url = https://github.com/keijiro/KlakSpout
+	branch = upm
diff --git a/_Package/KlakSpout b/_Package/KlakSpout
new file mode 160000
index 0000000..a0096e3
--- /dev/null
+++ b/_Package/KlakSpout
@@ -0,0 +1 @@
+Subproject commit a0096e3172c22009678fc94cbd8c8f549a0149f1