sleepingbaku's manga / #otome game(1)

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