As a child, Yashiro Nonoyama developed an intense fear of men due to boys constantly bullying her. Now in high school, she dreams of being reunited with her first love: a girl who protected her one day from her bullies. Yashiro is in disbelief when a transfer student named Mikoto Saionji arrives who looks a lot like her first love, but she later discovers that Mikoto is actually a guy, and that he was her first love. Yashiro learns that Mikoto is rapidly turning into a girl, and the only way to counteract this change is for them to passionately make out with each other every day.

(Source: Kiss Manga)

It's the ultimate romantic comedy of a non-riajuu boy and two polar opposite sisters!
Haruta is going out with a shy beauty, Mafuyu. While he's distressed over being unable to even hold hands, he was able to enjoy youth with his girlfriend for the first time in his life. However, having encountered Mafuyu's devilish twin sister who's the extreme opposite of her, his happy days are coming to an end!?

(Source: MU)