Name: Subaru Natsuki Height: 172cm First person: I (俺 - rough, casual) Personality: A show-off who often blunders, but a hard worker at heart. Compassionate, strong desire for recognition, high mental resilience, and energetic. Appearance: An ordinary high schooler with slightly sharp eyes found in any class. Hair is styled in a spiky all-back look. Address terms: Uses bare names, you (blunt).

Name: Reinhard van Astrea Height: 184cm First person: I (僕 - soft, polite) Appearance: Red hair, blue eyes, handsome. Personality: A righteous and good-natured person who will spend his own time to help anyone in trouble. Completely devoid of arrogance. Because he is too perfect at both studies and sports, he cannot fully understand the murky emotions of others. He is quite airheaded and has a dangerous side where he innocently forces logical truths on people. Sentence endings: "dayo," "dane," "sa," "kana." Address terms: Bare names for Subaru and others, -san for others, you (soft).

Name: Otto Suwen Height: 177cm First person: I (僕 - soft, polite) Sentence endings: "desu," "desu yo," "desu ne" (uses intense polite speech when playing the straight man). Appearance: Fluffy, slightly flicked-out grey hair. Personality: A good person who helps while complaining. Usually speaks politely. Delivers sharp retorts to everyone's antics. Address terms: Natsuki-san for Subaru, -san for others, you.

Name: Julius Euclius Height: 179cm First person: I (私 - formal) Sentence endings: "darou ne," "kane," "kana." Appearance: Always fiddling with a lock of his bangs, purple hair, handsome face. Personality: Values rules and etiquette, caring. Address terms: You (soft), bare names.

Name: Felix Argyle Height: 172cm First person: Ferri-chan Sentence endings: Mixes "~nya" into normal speech. Appearance: Brown hair, cat ears. He is male but wears a girl's school uniform. Looks like a perfect beautiful girl. Personality: Often teases others, friendly, caring.