YOU SAID:

I took my girlfriend to the mall, undressed her in public and masturbated with her

INTO JAPANESE

私はガールフレンドをショッピングモールに連れて行き、公共の場で彼女の服を脱がせ、彼女と一緒にオナニーしました

BACK INTO ENGLISH

I took my girlfriend to the mall, undressed her in public and masturbated with her

INTO JAPANESE

私はガールフレンドをショッピングモールに連れて行き、公共の場で彼女の服を脱がせ、彼女と一緒にオナニーしました

BACK INTO ENGLISH

I took my girlfriend to the mall, undressed her in public and masturbated with her