YOU SAID:

me and the guy i had a crush on in math class are dating

INTO JAPANESE

私と数学のクラスで片思いした男が付き合っています

BACK INTO ENGLISH

I'm dating the guy I had a crush on in math class

INTO JAPANESE

数学の授業で片思いした彼と付き合っています

BACK INTO ENGLISH

I'm dating the guy I had a crush on in math class