Responses
http://www.mangago.me/read-manga/never_understand/?av=2
its shounen ai but such a good good story
http://www.mangago.me/read-manga/never_understand/?av=2 and "His Most Favorite" are the only ones I know. BL, not really explicit for the former. The latter, I haven't read yet.
Recommmend me a yaoi manga/manhwa with A handsome x ugly pairing