Kashiwagi Koichi, an alpha, meets Aizawa Rihito at the school he is assigned to for his Teaching Pratice. Despite being a delinquent and commandeering the attention of the omega students around him, the teachers turn a blind eye to Aizawa's misconducts. After their meeting, Kashiwagi realizes that Aizawa was once a bright student whom he had taught in the past— a student who had aimed to attend an elite alpha school. However, when Kashiwagi calls out to Aizawa, he reponds with a provocative attitude... An omega from an elite alpha family, with high hopes pinned on him x An alpha trainee teacher, living with the trauma of having previously attacked an omega.
Asahi Hiyama a beta, Seiya Domoto, an alpha, have first met each other in elementary and as time proceeded, they became close friends. Later in the spring, a little while after they began college, both of their parents had decided to get a divorce and remarry. They soon found out they would be step-brothers… Although surprised by the suddenness of the situation, little by little, Asahi began welcoming Seiya as "family". Suddenly he mistakenly gets exposed to a Omega pheromone scented perfume—-?! *"The smell is so sweet, I just want to bite into it--"* (Source: Kadokawa, translated)
