Ch.1-1.5: Despite being a virgin, there's a rumor that Amamiya will sleep with anyone. Instead of denying it, Amamiya plays into it, hoping his crush Chiaki will eventually ask
Ch.2: Aya tries to hide that he's the roleplay actor for his otaku CHF Shota's favorite character
Ch.3: Tadashi's home tutor Mizushima demands sexual favors in exchange for helping him
Ch.4-4.5: Natsume's mom signs him up for a cooking class, wanting him to find a bride, but instructor Kyougo takes interest in him instead
Kimi No Karada Ni Koishiteru!?