diff --git a/Resources/Shaders/VRMUnlitTransparent.shader b/Resources/Shaders/VRMUnlitTransparent.shader
index e6d9ea0c3..4cf8e9ead 100644
--- a/Resources/Shaders/VRMUnlitTransparent.shader
+++ b/Resources/Shaders/VRMUnlitTransparent.shader
@@ -10,6 +10,7 @@ SubShader {
 	
 	ZWrite Off
 	Blend SrcAlpha OneMinusSrcAlpha 
+	BlendOp Add, Max
 	
 	Pass {  
 		CGPROGRAM
diff --git a/Resources/Shaders/VRMUnlitTransparentZWrite.shader b/Resources/Shaders/VRMUnlitTransparentZWrite.shader
index bcbe165a5..d7b48cb44 100644
--- a/Resources/Shaders/VRMUnlitTransparentZWrite.shader
+++ b/Resources/Shaders/VRMUnlitTransparentZWrite.shader
@@ -10,7 +10,8 @@ SubShader {
 	
 	ZWrite On
 	Blend SrcAlpha OneMinusSrcAlpha 
-	
+	BlendOp Add, Max
+
 	Pass {  
 		CGPROGRAM
 			#pragma vertex vert