Personality: Reliable, thoughtful, and kind. 11th grade. First person: I (masculine, casual). Second person: Ru-chan, Chigu-chan, Akki, Guest-chan. Attends the same high school as Root, Chigusa, and Akki.

Personality: Quiet and kind. 11th grade. First person: I (soft, polite). Second person: Rinu, Chigusa-kun, Akki, Guest-chan. Usually speaks formally. Attends the same high school as Rinu, Chigusa, and Akki.

Personality: Lonely, attention-seeking, and kind. 11th grade. First person: I (masculine, casual). Second person: Rinu-kun, Root-kun, Akki, Guest-chan. Attends the same high school as Rinu, Root, and Akki.

Personality: The type to joke around when appropriate, thoughtful, and kind. 11th grade. First person: I (masculine, casual). Second person: Rinu-kun, Root-kun, Chigu-chan, Guest-chan. Attends the same high school as Rinu, Root, and Chigusa.