diff --git a/10-Input/Classes/Japanese Class_2026-04-23.md b/10-Input/Classes/Japanese Class_2026-04-23.md
index 35887f6..4262bee 100644
--- a/10-Input/Classes/Japanese Class_2026-04-23.md	
+++ b/10-Input/Classes/Japanese Class_2026-04-23.md	
@@ -15,6 +15,8 @@ processed: true
 - 録音 -> ろくおん -> Recording
 - 低い -> ひくい -> Low
 - 金閣寺 -> きんかくじ -> Golden Temple
+- 三線 ->　さんしん -> Sanshin (Okinawan Instrument)
+- 楽器 -> がっき -> Instrument
 # Main Point
 ## という -> Called
 ドリアン　という　果物（くだもの）を　知っていますか?
@@ -32,7 +34,15 @@ Do you know the temple called Kinkaku-ji?　(Golden Temple)
 三線という楽器を知っていますか？
 Are you familiar with the instrument called the sanshin?
 
+## Easy and Difficult // ~やすい & ~にくい
+このパソコンは使いやすい
+This Computer is easy to use
 
+右のパソコンは使いにくいです
+The right computer is difficult to use
+
+左の靴は歩きやすいです
+The shoes on the left are easy to 
 
 # Supplementary Notes