YOU SAID:

I'm a sleepy boy. Let's party in our underwear.

INTO JAPANESE

私は眠い男の子です。私たちの下着姿でパーティーしましょう。

BACK INTO ENGLISH

I am a sleepy boy Let's have a party in our underwear.

INTO JAPANESE

私は眠そうな男の子です私たちの下着姿でパーティーをしましょう。

BACK INTO ENGLISH

I am a sleepy boy Let's have a party in our underwear.