Yoniee's Things

I remember reading this one shounen ai a while baxck (2-3 years?) where its this guy who dresses up as his sister and goes to his sister’s school bc his sister forced him to(?) (smth like that
Its a chinese shonen ai that I just suddenly remembered and dont think that I’ve finished reading

Tried searching for it but couldnt find
Pls help
(Sry if there are typos im half aslerp)