Omegaverse_Manga

Sena and Kamishiro compete for supremacy in their school attended exclusively by alphas.
One day, however, Kamishiro catches Sena having sex with the school nurse and goes into heat as soon as he perceives his pheromones...

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Suzuya Akitsugu is a lazy omega who hates working, and for the past two years has lied about the effectiveness of his heat suppressants to scam his company into giving him three days of paid time off each month. But when alpha Furuike Shouta, a new hire at his job, comes knocking on his door offering to "help" him during his heat, Suzuya desperately scrambles to keep his lie from being exposed

Megumi, an Alpha, son of the great Kokonoe Academy Chairman, goes to avenge his friends who were beaten by a yankee wielding a metal pipe. But that yankee is Tsugumi, an Omega who doesn't use suppressants and deals with his heats through sheer willpower. Tsugumi loathes all alphas because they consider omegas just tools for reproduction and has sworn to kill them all. Megumi, whose behaviour is different from other alphas, confuses Tsugumi and leaves him torn between rage and desire..

A Sex Pistols Daiya no Ace AU. Sawamura is going back to his roots as he becomes of age, growing alongside Miyuki and the other members of the Seidou team