YOU SAID:

my dad came back with the m

INTO JAPANESE

私の父はmで戻ってきました

BACK INTO ENGLISH

My dad is back at m

INTO JAPANESE

私の父はmに戻ってきました

BACK INTO ENGLISH

My dad is back in m

INTO JAPANESE

私の父はmに戻ってきました

BACK INTO ENGLISH

My dad is back in m