YOU SAID:

Once there was a girl and she was very hot so a man asked her out

INTO JAPANESE

かつて女の子がいてとても暑かったので男が彼女に尋ねました

BACK INTO ENGLISH

There used to be a girl and it was so hot that a man asked her

INTO JAPANESE

昔は女の子がいて、とても暑かったので男が彼女に尋ねました

BACK INTO ENGLISH

There used to be a girl and it was so hot that a man asked her