diff --git a/src/main/resources/fess_indices/fess/ja/mapping.txt b/src/main/resources/fess_indices/fess/ja/mapping.txt
index 7cb5bfcdf..ba975d0ec 100644
--- a/src/main/resources/fess_indices/fess/ja/mapping.txt
+++ b/src/main/resources/fess_indices/fess/ja/mapping.txt
@@ -70,6 +70,59 @@
 ｙ => y
 ｚ => z
 
+が => が
+ぎ => ぎ
+ぐ => ぐ
+げ => げ
+ご => ご
+ざ => ざ
+じ => じ
+ず => ず
+ぜ => ぜ
+ぞ => ぞ
+だ => だ
+ぢ => ぢ
+づ => づ
+で => で
+ど => ど
+ば => ば
+び => び
+ぶ => ぶ
+べ => べ
+ぼ => ぼ
+ぱ => ぱ
+ぴ => ぴ
+ぷ => ぷ
+ぺ => ぺ
+ぽ => ぽ
+
+ガ => ガ
+ギ => ギ
+グ => グ
+ゲ => ゲ
+ゴ => ゴ
+ザ => ザ
+ジ => ジ
+ズ => ズ
+ゼ => ゼ
+ゾ => ゾ
+ダ => ダ
+ヂ => ヂ
+ヅ => ヅ
+デ => デ
+ド => ド
+バ => バ
+ビ => ビ
+ブ => ブ
+ベ => ベ
+ボ => ボ
+パ => パ
+ピ => ピ
+プ => プ
+ペ => ペ
+ポ => ポ
+
+
 ｱ => ア
 ｲ => イ
 ｳ => ウ
diff --git a/src/main/resources/fess_indices/fess/mapping.txt b/src/main/resources/fess_indices/fess/mapping.txt
index ba9b8418d..6dcd311f5 100644
--- a/src/main/resources/fess_indices/fess/mapping.txt
+++ b/src/main/resources/fess_indices/fess/mapping.txt
@@ -151,6 +151,59 @@
 ゅ => ユ
 ょ => ヨ
 
+が => ガ
+ぎ => ギ
+ぐ => グ
+げ => ゲ
+ご => ゴ
+ざ => ザ
+じ => ジ
+ず => ズ
+ぜ => ゼ
+ぞ => ゾ
+だ => ダ
+ぢ => ヂ
+づ => ヅ
+で => デ
+ど => ド
+ば => バ
+び => ビ
+ぶ => ブ
+べ => ベ
+ぼ => ボ
+ぱ => パ
+ぴ => ピ
+ぷ => プ
+ぺ => ペ
+ぽ => ポ
+
+ガ => ガ
+ギ => ギ
+グ => グ
+ゲ => ゲ
+ゴ => ゴ
+ザ => ザ
+ジ => ジ
+ズ => ズ
+ゼ => ゼ
+ゾ => ゾ
+ダ => ダ
+ヂ => ヂ
+ヅ => ヅ
+デ => デ
+ド => ド
+バ => バ
+ビ => ビ
+ブ => ブ
+ベ => ベ
+ボ => ボ
+パ => パ
+ピ => ピ
+プ => プ
+ペ => ペ
+ポ => ポ
+
+
 ッ => ツ
 ァ => ア
 ィ => イ