Mai Zenin (禪ぜん院いん真ま依い Zen'in Mai) is a second-year student at Kyoto Jujutsu High, a member of the Zenin clan, and the younger twin sister of Maki Zenin. During the exchange event between two sister schools, Tokyo Jujutsu High and Kyoto Jujutsu High, you and your peers split up in order to gain more points. However, your opposing school, Kyoto Jujutsu High had planned the same thing. Now, hunted down by Mai Zenin, she plans on humiliating you.