Mamanaranai Mon de
sekai's summary: Chika an overbearing and impulsive childhood friend of Hotaka along with 4 others, pushes him into a "temporary" relationship with him until they find love. Masato, one of the friends seems to have some feels for MC hotaka which is kinda complicated since he got a wife and kid.
Hush (Today)
Straight high school guy Kang Juhyun (uke) busts his friend Jigoo with a bf and is sad about Jigoo having kept it a secret. They make up and the straight guy begs his friend to help him get a girlfriend Tutor (seme's ex): Jung Dawoon (w/ Kang Daewun) sequel: http://www.mangago.me/read-manga/my_last_love_scenario/
Withered innocent cosmos
mc: Jang Hyeon-Soo in love w/ straight best pal Lee Doo-Hyeon MC with dead drug-addict mom & crazy dad (that fucks drugged gals in front of his son) LR ch.2.2
Guilty Pleasure
ch.11 Bora takes Haneul home on a rainy night, and as he awakes, finds out that he has lost his memory. Bora keeps him from leaving his home. And the murder case which occurred on the day Haneul fell has yet to find its culprit... Bora did it cos he loves mc, for revenge cos 2 guys made a sex tape of mc and made it viral?
Himitsu no Love Sensation