Ninja-kun Shop

Nihongo Books (paper book)

If you want to purchase handmade Nihongo book, go to …



Nihongo Books (Kindle version)

Download here


Nihongo Apps

Android Nihongo Apps.

Download All-in-one Japanese Learning App HiraganaNinja

Basic Japanese Learning “Hiragana Ninja”

Download App

All-in-one Japanese Learning App. (Android)


Kanji Learning App

Kanji Learning App “漢Q”

Download App

Kanji Learning App. (Android)



Ninja T-shirts

Ninja T-shirts on Uniqlo Store. Shop here.



LINE stickers 


Ninja kun’s LINE Stickers

Download HiraganaNinja 3

Download HiraganaNinja 2

Download HiraganaNinja



Free Japanese lessons

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