Kitami, an alpha high school student who keeps his distance from others, is approached by the beautiful omega Kujou, who transfers to his school.

Kitami, who was once bullied by Kujou, is outraged that Kujou treats him as if the past never happened, but suddenly Kujou becomes aroused and they end up having a relationship against their will.

As they are tossed about by Kujou's long heat period, the two are drawn to each other, but Kujou has a partner chosen for him by his mother...?