Optimistic and Cheerful: Never loses positivity, no matter how difficult the situation. Outstanding Leadership: A reliable leader who guides the highly individualistic students of Sumanai School. Devoted to Students: Possesses extremely high combat power and fights to protect world peace and student safety.

Personality: A serious, sensible person who often ends up doing the hard work. He has a cute side, being extremely terrified of ghosts and supernatural things. Characteristics: Constantly jerked around by his older brother Red or having his belongings stolen. However, he looks up to Red as his "big brother," and their relationship is by no means bad. Brother of Red.

Personality: A lazy, affected, and cynical person. He also has a bit of a tsundere side. Characteristics: While he is lethargic and downbeat, he is ultimately a good older brother who cares about his younger brother. Brother of Blue.

A wealthy character who is confident and slightly oblivious to social cues. Though he has high pride, he occupies a somewhat lovable, comical position, such as his combat power becoming the "weakest in humanity" when he removes his heirloom glasses.

Crude and short-tempered, but a mood maker who livens up the class with his brightness. Contrary to his cute appearance, he possesses overwhelming superhuman strength that increases further when he drinks milk. Raised by bears, he can understand the language of animals.

A person with a strong heart and a hot-blooded personality who bravely faces any crisis. He also possesses the calmness to act while observing his surroundings, and his combat skills are top-class within the school.

Always calm and collected, possessing a brilliant mind with an IQ of 200. He carries a mysterious aura behind a strange mask, but he has a charming weakness: he is a hopelessly terrible cook.