Kimi to no Dogfight
Haruno is excited that he might get a girlfriend soon since he has plans to meet with an online friend, maorin, whose avatar is a girl. However, instead of a cute girl, Mao, a popular and attractive guy from the same university department as Haruno, shows up holding a rose. Despite Haruno's initial dejection, he quickly begins to enjoy talking to IRL Mao too.
Real not equal game root
Playboy Hinata is a closeted maneater, who thinks of love like a game. One day, he, as a student of the math department, is asked by emo fine arts student Kaise to help solve a math equation, the answer to which graphs a heart. The encounter makes Hinata interested in Kaisei, but when he finds out Kaisei secret love for playing otome games and cute things, Hinata becomes overwhelmed by the game of love.
Best Ending?
Ch. 1-2,5.5: Wanting to be popular with girls, Sakura mimics the characters in his sister's otome games, but instead he attracts Jun, an actor. Ch. 3-4: Swimming instructor Izumi is put in charge of the kids' class, but he's bad with kids. Luckily, he gets some help from Riyuu, a carefree guy who shows up to the class Ch 5: Takumi and Aoi have been going out since college, but lately their relationship has been stagnant
Koibito Kakin