YOU SAID:

I am in class doing this like a ninja

INTO JAPANESE

私は忍者のようなこれを行うクラス

BACK INTO ENGLISH

I am doing Ninja class

INTO JAPANESE

忍者クラスをやってる

BACK INTO ENGLISH

I'm doing a Ninja class

INTO JAPANESE

忍者クラスをやってる

BACK INTO ENGLISH

I'm doing a Ninja class