YOU SAID:
Hi friends! I'm back!
INTO JAPANESE
よう皆!戻ってきました!
BACK INTO ENGLISH
Yo everyone! I'm back!
INTO JAPANESE
みんなヨ!戻ってきました!
BACK INTO ENGLISH
Everyone yo! I'm back!
INTO JAPANESE
みんなよ!戻ってきました!
BACK INTO ENGLISH
Everyone! I'm back!
INTO JAPANESE
全員!戻ってきました!
BACK INTO ENGLISH
Everyone! I'm back!
That didn't even make that much sense in English.