that sounds like this one?
http://www.mangago.me/read-manga/kataomoi_to_parade/
Omg i know this but i just can't remember the name..... i want to know too!!!!
http://www.mangago.me/read-manga/kataomoi_to_parade/ I guess this scene is from the last chapters
I'm a idiot, found really good yaoi and now can't find it. they go to university, their best friends dark hair has crush on blond guy ( does martial arts ) close to the end the dark hair guy saves friend from getting hurt but gets hurt himself, in hospital he joking and says he doesn't know him and then blond guy say he his boyfriend in front of everyone. hope this is enough. Thanks