Tsukioka is an excellent teacher at a prestigious school. His only weakness is the fact that he's an omega, but he's managed to deceive those around him so he can live his life as an alpha - until one day he goes into heat at school! What's more, the situation is photographed by Shiizaki, a student who is feared to be the devil of the school. Thus begins the turbulent school activities of a problem child and his well-behaved teacher!