YOU SAID:

I want my friends back

INTO JAPANESE

友達に戻って欲しい

BACK INTO ENGLISH

I want you to go back to your friends.

INTO JAPANESE

友達に戻ってほしい。

BACK INTO ENGLISH

I want my friend back.

INTO JAPANESE

私は私の友人が戻って欲しい。

BACK INTO ENGLISH

I want my friend back.