diff --git a/bot/entries/base/expressions.py b/bot/entries/base/expressions.py
index 7d20891..8049a99 100644
--- a/bot/entries/base/expressions.py
+++ b/bot/entries/base/expressions.py
@@ -31,11 +31,14 @@ def add_fullwidth(expressions):
 
 def add_variant_kanji(expressions):
     variant_kanji = load_variant_kanji()
-    for old_kanji, new_kanji in variant_kanji.items():
+    for kyuuji, shinji in variant_kanji.items():
         new_exps = []
         for expression in expressions:
-            if old_kanji in expression:
-                new_exp = expression.replace(old_kanji, new_kanji)
+            if kyuuji in expression:
+                new_exp = expression.replace(kyuuji, shinji)
+                new_exps.append(new_exp)
+            if shinji in expression:
+                new_exp = expression.replace(shinji, kyuuji)
                 new_exps.append(new_exp)
         for new_exp in new_exps:
             if new_exp not in expressions:
diff --git a/tests/test_expressions.py b/tests/test_expressions.py
index 5d90ce1..9091dda 100644
--- a/tests/test_expressions.py
+++ b/tests/test_expressions.py
@@ -34,8 +34,8 @@ class TestExpressions(unittest.TestCase):
         self.assertIn("凶々しい", exps)
         self.assertIn("凶凶しい", exps)
 
-    def test_add_variant_kanji(self):
-        exps = ["剝く", "掴む", "摑む"]
+    def test_add_variant_kanji1(self):
+        exps = ["剥く", "摑む"]
         Expressions.add_variant_kanji(exps)
         self.assertEqual(len(exps), 4)
         self.assertIn("剥く", exps)
@@ -44,6 +44,15 @@ class TestExpressions(unittest.TestCase):
         self.assertIn("摑む", exps)
 
     def test_add_variant_kanji2(self):
+        exps = ["剝く", "掴む", "摑む"]
+        Expressions.add_variant_kanji(exps)
+        self.assertEqual(len(exps), 4)
+        self.assertIn("剥く", exps)
+        self.assertIn("剝く", exps)
+        self.assertIn("掴む", exps)
+        self.assertIn("摑む", exps)
+
+    def test_add_variant_kanji3(self):
         exps = ["剝摑"]
         Expressions.add_variant_kanji(exps)
         self.assertEqual(len(exps), 4)
@@ -52,6 +61,15 @@ class TestExpressions(unittest.TestCase):
         self.assertIn("剥掴", exps)
         self.assertIn("剥摑", exps)
 
+    def test_add_variant_kanji4(self):
+        exps = ["剥掴"]
+        Expressions.add_variant_kanji(exps)
+        self.assertEqual(len(exps), 4)
+        self.assertIn("剝摑", exps)
+        self.assertIn("剝掴", exps)
+        self.assertIn("剥掴", exps)
+        self.assertIn("剥摑", exps)
+
     def test_expand_abbreviation(self):
         text = "有（り）合（わ）せ"
         abbrs = Expressions.expand_abbreviation(text)