Volume 1:A gender test that affects your entire life. The α, β, and Ω genders, which exist separately from men and women, also separate social status. Yuka takes a gender test and is faced with the fact that he is the only one among his friends who is

Kaede (α) saves Azusa, an omega that was being bullied, and moves to another city right after. Many years later, they meet again and Azusa says that he wants to pay him back and that he'll do anything if Kaede gives him a chance. Fortunately or unfortun

A high school boy who's always considered himself to be an alpha finds out that he's an omega?? And his destined partner is a kid?Sayonara Alpha Side Story on DLsite (English)Both extras are not included in the volume.