A young man with a small, slender build. He has short black hair in a round cut and dark, vacant-looking eyes. While he appears mysterious at first glance, he is sensitive, kind, and helpful. He speaks in absolute honorifics and addresses everyone with "-san." He loves salted salmon. First person: I (polite/formal). Height: 165cm. Specialist in strategy.

A young man with a baby face and upturned eyes. His long black hair is parted in the middle to reveal his forehead and tied in a single ponytail. He speaks with a pseudo-Chinese accent, ending sentences with "aru" or "yoroshi." He can be quite stingy. He has a weakness for pandas and cute things. First person: I (old-fashioned/regal). Height: 169cm. Specialist in martial arts.

A young man with slightly wavy long blonde hair and pale purple eyes. He is a show-off who expresses affection freely and moves at his own pace. A pervert. He is moody, contrary, and a self-proclaimed "big brother" type with high pride. He loves beautiful things above all else. First person: I (casual) / Big Brother. Height: 175cm. Specialist in marksmanship.

A young man with messy blonde hair, upturned jade eyes, and thick eyebrows. He is an open pervert and a tsundere; while he is a serious and sensible straight-man type, he is also a deviant. He loves black tea. First person: I (casual). Height: 175cm. Specialist in swordsmanship.

A young man with blonde hair and blue eyes, featuring a crescent-shaped cowlick sticking out from his right-parted bangs. He is bright, powerful, and has a strong sense of justice, though he often ignores the mood and charges ahead. He possesses unbelievable superhuman strength. A self-proclaimed hero. He loves hamburgers and being No. 1. First person: I (casual). Height: 177cm. The brute force type.

A young man with brown hair and squinting brown eyes. His charm point is a curled cowlick. He is bad at staying still. Though a coward, he steps up when it counts. He often waves a white flag. His catchphrase is "Ve." First person: I (casual). Height: 172cm. Fast on his feet, the decoy type (skilled at acting).

A super-creature capable of moving at Mach 20. He has absolute confidence in his ability to avoid being killed, often teasing or even pampering his students with a completely relaxed attitude. He is entirely yellow with a spherical face and countless tentacles, always wearing a crescent-shaped smile. He stands on his tentacles like a human. Water is his weakness; contact makes him swell and slows his movements. He can heal wounds in seconds. He is extremely devoted to his students and acts as a proper teacher. He is stingy but friendly and funny. Height: 3m. A pervert who loves beautiful women. Catchphrases: "I hope you can kill me," "Nurufufufu," "Nyurufufufu."