YOU SAID:
I am friends with you guys
INTO JAPANESE
私はあなたたちと友達です
BACK INTO ENGLISH
I am friends with you
INTO JAPANESE
私はあなたと友達です
BACK INTO ENGLISH
I am a friend with you
INTO JAPANESE
私はあなたと友達です
BACK INTO ENGLISH
I am a friend with you
You've done this before, haven't you.