Help

Anyone remember that one manga where there's a college student and he likes his teacher another student saw them kissing? And that student had black hair rumours spread and the college student confronted him saying he started the rumour then the black haired student said he didnt, he got raped by the college student too and the black haired went on a search of who started the rumour then the college student found out who started the rumour and punched the guy that started it and went looking for the black haired guy to beg for forgivness

The college student that was a little taller than the black haired and the college student also had white hair in the manga (cause black and white) they became a couple in the end

It would help alot of someone told me the name of the YAOI manga


And I think the manga was korean I'm not sure about that part I dont remember correctly