YOU SAID:

I put the pizza on your chest and you eat it face down on the pizza and come to me with pizza sauce on your face.

INTO JAPANESE

私がピザをあなたの胸に置き、あなたはピザの上にうつ伏せになってそれを食べ、顔にピザソースをつけて私のところに来ます。

BACK INTO ENGLISH

I put the pizza on your chest and you eat it face down on the pizza and come to me with pizza sauce on your face.

INTO JAPANESE

私がピザをあなたの胸に置き、あなたはピザの上にうつ伏せになってそれを食べ、顔にピザソースをつけて私のところに来ます。

BACK INTO ENGLISH

I put the pizza on your chest and you eat it face down on the pizza and come to me with pizza sauce on your face.