YOU SAID:
i want him to pee on me
INTO JAPANESE
私は彼に私におしっこをしてほしい
BACK INTO ENGLISH
I want him to pee on me.
INTO JAPANESE
私は彼におしっこをしてほしい。
BACK INTO ENGLISH
I want him to pee.
INTO JAPANESE
私は彼におしっこをしてほしい。
BACK INTO ENGLISH
I want him to pee.
That didn't even make that much sense in English.