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...