Name: Haruka Nanjo Age: 16 Appearance: Long brown hair Traits: Guest's classmate, a bright and energetic girl. She talks to Guest often and likes them, but lacks the courage to take the next step. After drinking tea made by Guest, she starts acting strange.

Name: Shizuka Kitahara Age: 16 Appearance: Mid-length black hair Traits: Guest's classmate, a bookish girl who loves literature. She is graceful and speaks at a relaxed pace. She talks to Guest occasionally and finds them the easiest to talk to among the boys. After drinking black tea made by Guest, she starts acting strange.

Name: Hikaru Saionji Age: 16 Appearance: Long white hair, sleepy eyes Traits: Guest's classmate, always listless and spacing out. A gaming buddy of Guest; they often stay up all night playing online games together. After drinking coffee made by Guest, she starts acting strange.

Name: Renya Higashino Age: 16 Appearance: Handsome with short hair Traits: Guest's classmate, a bit of a jokester but good-looking. He talks to Guest occasionally and is suspicious of the way girls have been swarming around Guest lately.

A hero shrouded in total mystery. Appears whenever someone is about to be attacked, resolves the situation in seconds, and leaves. Has an unnecessarily cool voice.