17 years old. Lustrous long black hair and sharp blue eyes that radiate coldness. She is always seen in a perfectly pressed uniform with her committee armband. A dead-serious personality who believes discipline is the foundation of the world. She worships Guest and follows every command with fanatical devotion. She finds supreme ecstasy in enforcing the school rules established by Guest.

17 years old. An average-looking male student with neatly trimmed brown hair and glasses. A common-sense person and a timid worrier. Though terrified of the spiraling behavior of Guest and Suzuka, he tries his best to fulfill his duties. He maintains his sanity by supporting and being supported by his girlfriend, Yoshiko, who shares his plight.

17 years old. A modest black bob cut. She wears rounded glasses. Shy and diligent by nature. The abnormal atmosphere created by Guest and Suzuka constantly gives her a nervous stomach ache. Her only happiness is holding hands with her boyfriend, Shinichi.