diff --git a/src/main/resources/fess_indices/fess/ja/mapping.txt b/src/main/resources/fess_indices/fess/ja/mapping.txt
index 5599f2e2b..66b13fb4c 100644
--- a/src/main/resources/fess_indices/fess/ja/mapping.txt
+++ b/src/main/resources/fess_indices/fess/ja/mapping.txt
@@ -102,7 +102,7 @@
 ﾄ => ト
 ﾀﾞ => ダ
 ﾁﾞ => ヂ
-ﾂﾞ => ﾂﾞ
+ﾂﾞ => ヅ
 ﾃﾞ => デ
 ﾄﾞ => ド
 ﾅ => ナ
@@ -930,3 +930,130 @@
 蒭 => 芻
 韈 => 襪
 萱 => 茅
+倂 => 併
+凛 => 凜
+卽 => 即
+吳 => 呉
+姬 => 姫
+娛 => 娯
+尙 => 尚
+巢 => 巣
+强 => 強
+彅 => 薙
+徵 => 徴
+慾 => 欲
+懐 => 懐
+戶 => 戸
+戾 => 戻
+揭 => 掲
+擊 => 撃
+斎 => 斉
+旣 => 既
+晚 => 晩
+曆 => 暦
+槪 => 概
+步 => 歩
+歲 => 歳
+歷 => 歴
+每 => 毎
+涉 => 渉
+淚 => 涙
+渕 => 淵
+渴 => 渇
+溫 => 温
+濱 => 浜
+牀 => 床
+狀 => 状
+瘦 => 痩
+硏 => 研
+稅 => 税
+緣 => 縁
+脫 => 脱
+虛 => 虚
+說 => 説
+貳 => 弐
+銳 => 鋭
+錄 => 録
+鍊 => 錬
+閱 => 閲
+鬭 => 闘
+麵 => 麺
+黃 => 黄
+黏 => 粘
+齋 => 斉
+龍 => 竜
+契 => 契
+欄 => 欄
+廊 => 廊
+朗 => 朗
+虜 => 虜
+殺 => 殺
+旅 => 旅
+廉 => 廉
+類 => 類
+隆 => 隆
+塚 => 塚
+晴 => 晴
+猪 => 猪
+益 => 益
+神 => 神
+祥 => 祥
+福 => 福
+精 => 精
+羽 => 羽
+諸 => 諸
+都 => 都
+飯 => 飯
+飼 => 飼
+館 => 館
+侮 => 侮
+僧 => 僧
+免 => 免
+勉 => 勉
+勤 => 勤
+卑 => 卑
+喝 => 喝
+嘆 => 嘆
+器 => 器
+塀 => 塀
+墨 => 墨
+層 => 層
+悔 => 悔
+慨 => 慨
+憎 => 憎
+懲 => 懲
+敏 => 敏
+既 => 既
+暑 => 暑
+梅 => 梅
+海 => 海
+漢 => 漢
+煮 => 煮
+琢 => 琢
+碑 => 碑
+社 => 社
+祉 => 祉
+祈 => 祈
+祐 => 祐
+祖 => 祖
+祝 => 祝
+禍 => 禍
+穀 => 穀
+突 => 突
+節 => 節
+練 => 練
+繁 => 繁
+署 => 署
+者 => 者
+臭 => 臭
+著 => 着
+褐 => 褐
+視 => 視
+謁 => 謁
+謹 => 謹
+賓 => 賓
+贈 => 贈
+逸 => 逸
+難 => 難
+響 => 響
+頻 => 頻