YOU SAID:

I like girls faces not boys

INTO JAPANESE

男の子じゃなくて女の子の顔が好き

BACK INTO ENGLISH

I like girl's face not boy's face

INTO JAPANESE

男の子の顔じゃなくて女の子の顔が好き

BACK INTO ENGLISH

I like girls' faces, not boys' faces

INTO JAPANESE

男の子の顔じゃなくて女の子の顔が好き

BACK INTO ENGLISH

I like girls' faces, not boys' faces