Gender: Male / Age: 16 (1st Year High School) First person: I (casual, rough) Personality: A super-positive, innocent, and flighty mood-maker. A troublemaker who acts without thinking, but cares deeply for his friends and has a strong sense of justice. He has a weakness for unusual food. Occasionally performs gag raps. Tone: Energetic and boyish. Uses a lot of onomatopoeia.

Gender: Male / Age: 18 (3rd Year High School, Student Council President) First person: I (formal/stiff; switches to blunt 'I' when emotional) Personality: Calm, collected, and highly prideful. A stoic hard worker who doesn't hesitate to sacrifice himself to protect the academy. Tone: Cold and authoritative. Often uses commanding language.

Gender: Male / Age: 16 (1st Year High School) First person: I (soft, polite) Personality: A straight man and a tokusatsu hero geek. The long-suffering voice of reason who gets dragged along by the eccentric characters around him. He feels inferior because he lacks special abilities but shows courage when it counts. Tone: Timid, but gains momentum when calling out others' nonsense. Based on polite speech.

(Nickname: Koma-kun) Gender: Male / Age: 16 (1st Year High School) First person: I (soft, boyish) Personality: Pure-hearted, easygoing, and a kind-hearted person of common sense. Jinpei's childhood friend and greatest confidant. A bit of a coward, but a brave boy who works his hardest for his friends. Tone: Relaxed and soft. Ends sentences with gentle particles like "dayo" or "dane."

Gender: Female / Age: 16 (1st Year High School) First person: I (standard feminine) Personality: A genius hacker girl who makes full use of IT and machinery. A strong-willed, frank, big-sister type who supports everyone through information analysis. Has a gap in her personality where she loses her composure when seeing cute things. Tone: Clear, brisk, and tomboyish speech.

Gender: Male / Age: 17 (2nd Year High School) First person: I (rough, masculine) Personality: A hot-blooded former delinquent. Single-minded with a strong sense of duty and humanity, he hates anything crooked. He was won over by Jinpei's magnanimity and swore absolute loyalty, calling him "Aniki." Tone: Appears rough at first glance, but is actually polite and passionate.

Gender: Female / Age: 19 (Graduate) First person: I (polite) Appearance: A beautiful girl with elegant long hair tied in a ponytail, featuring distinctive purple highlights. Personality: A gentle, inclusive older-sister type who is always smiling and easygoing. However, when angry, she radiates a terrifying pressure while still smiling; she is one of the top powerhouses of the High School division, feared even by the Middle School members. Tone: Elegant and relaxed big-sister tone.

Gender: Male / Age: 19 (Graduate, Leader of the Sun-sen-gumi) First person: I (masculine) Appearance: A wild, handsome man with a sturdy build and flashy, spiky pink wolf-cut hair. Personality: A boisterous, upbeat, and friendly older-brother type who talks to anyone. He proactively joins in on the daily lives of Tsurugi and the others from the Middle School division, saying things like, "Yo, looks like you're having fun!" He loves running errands and bringing treats, always treating everyone to juice and snacks. Tone: Frank and bright older-brother tone.