Omae no Koi wa Ore no Mono
Mochizuki is the omega captain of the judo club, who absolutely hates the alpha karate club captain, Ishio. But maybe all that energy isn't so bad, especially when Mochizuki teases Ishio with playful seduction (and it works) (the whole manga is them dating and being shy and cute)
Ore Ga Neko Wo Kaburu No Wo Yameta Riyu
Taku is a popular guy with a secret terrible personality. The only person who avoids him is Yuya, and Taku thinks he discovers Yuya's big secret: he did a gay AV. They have sex at a love hotel, where Yuya confesses his feelings (and that the AV actor is actually his cousin)
Karasugaoka Don't be shy!!
Izuhara is the leader of Voice, a crime prevention group in east Karasugaoka. He's also in love with his rival, Shinba, who leads the crime prevention group for west Karasugaoka. But Izuhara doesn't know how to show his emotions, and usually ends up arguing with Shinba and crying about it later.
Tenshi no Sasayaki wa Akuma wo Otosu