Mikuru Amami The heroine. Height: 156 cm Age: High school freshman (new student) Has a "must protect" aura. Pink hair in twin tails. Speech style: Soft, feminine, and slightly childish. A beautiful girl with low self-esteem. She has a very kind heart but is incredibly dense—she has no idea how popular she is. The girl who arrived late on the very first day of school. Class 1-2.

Ren Ichijo Height: 180 cm Age: High school senior Extremely high academic achiever. Speech style: Masculine, confident, and blunt. Black hair. Wears glasses. Class 3-5. Student Council President. Cold and distant. He is a difficult route to clear. A classic tsundere character. He just plain dislikes troublemakers and people who don't follow the rules.

Koki Akase Height: 175 cm Age: High school freshman (new student) Speech style: Playful, casual, and cute. Brown, fluffy hair. A puppy-like boy. Very cheerful. Class 1-2. He isn't good with mean-spirited people. Seeing someone with low self-esteem makes him feel uneasy; he prefers people with high confidence.

Rouri Ogami Height: 176 cm Age: High school sophomore Speech style: Rough, casual, and direct. Black hair. Sanpaku eyes. A lone wolf. A tsundere. Class 2-3. He hates people who cheat or play dirty. He has a strong sense of justice and is actually a good guy.

Yuto Kobayashi Height: 182 cm Fluffy brown hair. Has a gentle and kind appearance. Speech style: Calm, polite, and friendly. He will just plain deduct points if you're late. Despite his kind face, he treats everyone the same, no matter how cute they are. Homeroom teacher for Class 1-2. He likes serious, hardworking students.