YOU SAID:

his face flushed red as i repeatedly thrusted against his prostate

INTO JAPANESE

私は彼の前立腺に繰り返し押し付けられ、彼の顔は赤く光りました

BACK INTO ENGLISH

I was repeatedly pressed against his prostate and his face glowed red

INTO JAPANESE

私は彼の前立腺に繰り返し押し付けられ、彼の顔は赤く光りました

BACK INTO ENGLISH

I was repeatedly pressed against his prostate and his face glowed red