The Traitor with Sacred Sword and Demonic Sword (Associated Names)

“Hey, Ryu. Want sneak into the school’s swimming pool with me tonight?” On a certain day, after school, first-year student Yagumo Ryu received this kind of invitation from Nanami Yuki. In a mysterious academy town where people with abilities gather, the student council president who is known as the strongest in history is currently sealing…