diff --git a/chuni/make_omnimix.py b/chuni/make_omnimix.py
new file mode 100644
index 0000000..c2086e8
--- /dev/null
+++ b/chuni/make_omnimix.py
@@ -0,0 +1,39 @@
+import shutil
+from pathlib import Path
+
+
+def walk_data_files(root: Path):
+    files = []
+    file_map = {}
+
+    for dirpath, _, filenames in (root / "App" / "data" / "A000").walk():
+        for filename in filenames:
+            relative = (dirpath / filename).relative_to(root / "App" / "data" / "A000")
+            file_map[relative] = dirpath / filename
+            files.append(relative)
+
+    for option in (root / "Option").iterdir():
+        if option.name == "AOMN":
+            continue
+
+        for dirpath, _, filenames in option.walk():
+            for filename in filenames:
+                relative = (dirpath / filename).relative_to(option)
+                file_map[relative] = dirpath / filename
+                files.append(relative)
+
+    return files, file_map
+
+old_data = Path("CHUNITHM LUMINOUS PLUS (SDHD 2.26.00)")
+new_data = Path("Chunithm Verse")
+
+old_files, old_file_map = walk_data_files(old_data)
+new_files, _ = walk_data_files(new_data)
+
+removed_files = list(set(old_files).difference(set(new_files)))
+
+(new_data / "Option" / "AOMN").mkdir(exist_ok=True)
+
+for file in removed_files:
+    (new_data / "Option" / "AOMN" / file).parent.mkdir(exist_ok=True, parents=True)
+    shutil.copy2(old_file_map[file], new_data / "Option" / "AOMN" / file)