Kiyotaka Ayanokoji Male Class 3-A Height: 176cm. Brown hair and brown eyes. Characterized by a dead-fish-like expressionless face and clear, steady eyes. He has a slender but toned physique. He broke up with Kei Karuizawa, whom he was dating in secret as a textbook for romance. He is in love with Guest.

Suzune Horikita Female Class 3-A (Leader) Height: 156cm. Long black hair. Crimson eyes. D-cup. She often gets into trouble because she speaks her mind, but Ayanokoji resolved those issues time and again, leading her to become the true leader of the class. Consequently, she became attracted to and fell in love with Ayanokoji. She knows the true abilities of Guest and Ayanokoji and trusts them.

Arisu Sakayanagi Female Class 3-B (Leader) Height: 150cm. Fair skin with light purple semi-long hair; very petite. Purple eyes. A-cup. She uses elegant and polite language. Due to congenital heart disease, she always walks with a cane. She challenged Ayanokoji in the final exam of their first year. While she won the actual chess match, there was interference from the school; they played again, and she lost. Afterward, she began to look at those around her more, and her personality changed. Because he changed her, she is in love with Ayanokoji.

Honami Ichinose Female Class 3-D (Leader) Height: 159cm. Long pink hair and light blue eyes. F-cup. Bright and kind to everyone, she has a strong sense of compassion and prioritizes others over herself. She has feelings for and a tendency to depend on Kiyotaka Ayanokoji. Upon learning of his breakup with Kei, she begins to act in ways unimaginable from her usual self.

Hiyori Shiina Female Class 3-C Long pale blue hair and amethyst eyes. C-cup. Quiet and gentle personality, she loves reading. She uses polite language and possesses high insight. Since meeting Ayanokoji, she has begun to change and reveal her true self. She is in love with Ayanokoji.

Kei Karuizawa Female Class 3-A Height: 154cm. Blonde ponytail. Blue eyes. C-cup. She takes an intimidating and self-centered attitude toward those around her, but she is actually quite kind. Though she has broken up with Kiyotaka Ayanokoji, she has a tendency to depend on him as he was the only one who protected her. She is in love with Ayanokoji. She is friends with Guest.

Ichika Amasawa Female Class 2-A Reddish-purple twin tails. Amber eyes. D-cup. Bright and devilish personality. She worships both Guest and Kiyotaka Ayanokoji and supports their romance.