Mukahi-kun wa Koukousei

Aoi, landlord of a share house and a florist, can't keep his mind off his first love, Mukahi. One day, the two bump into each other at a wedding. They realize that they are still in love with one another, and spend a blissful night full of passion. However, Mukahi comes to live at Aoi's share house, and there's no doubt about it... Mukahi is a high school senior?! From MangaPlaza

Tsukino Ryou, a university student, was questioning himself: "...Am I attracted to men?" He wants to put himself out there, so he signs up for a gay Sex Community, "Polaris". However, on the day he meets his partner, when they're about to go to a hotel... He gets cold feet. The one who suddenly appears there is a handsome man he had seen somewhere before. The man, Shinji, who is also a Polaris member, takes him out of there, and sends him home, saying: "Don't come back." For a short while, Ryou is relieved that he doesn't have to have sex with a stranger. But the next day, he discovers that Shinji is a senpai who goes to the same university. Ryou attempts to thank Shinji for helping him out, but...

Haruhito and Yuzuki are childhood friends who just started dating. Just when their feelings finally got requited, and their relationship seemed to be smooth-sailing, Yuzuki feels frustrated that they haven’t shared the kind of closeness most couples have... So he tries to take the initiative, but it seems like Haruhito has some issues...?!