diff --git a/README.md b/README.md
index 6c27b09..eedf5ef 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ A FF7 Debug room mod for modders needing to test core engine functionalities.
 - Quick access to any battle scene ( by Satsuki_Yatoshi )
 - Test textbox layering when text is scrolling in textbox ( by Odysseus )
 - Test textbox layering when timer is placed in box ( by Odysseus )
+- Test FFNx's mouth replacement system ( by Odysseus )
 
 # How to use
 
diff --git a/src/direct/flevel/blackbgh b/src/direct/flevel/blackbgh
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diff --git a/src/direct/flevel/pass b/src/direct/flevel/pass
new file mode 100644
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