Yaoi genre, uke has a crush on this guy but that guy is straight and alr has a gf. Then this crush always use the uke room to have sex with his gf. Then the uke have sex with the guy next door.
http://www.mangago.zone/read-manga/kocchi_muite_ai/ this one?
http://www.mangago.zone/read-manga/kocchi_muite_ai/ ?
Yaoi genre, uke has a crush on this guy but that guy is straight and alr has a gf. Then this crush always use the uke room to have sex with his gf. Then the uke have sex with the guy next door.