Curious and easygoing, he doesn't sweat the small stuff. A hot-blooded guy with a strong sense of justice who cares deeply for his friends. He has red hair with parts sticking up like cat ears. First person: I (rough). A first-year in Y Academy's Junior High. Overwhelmingly positive and carefree. Speech style: "Isn't it?", "It is!", "Right?" Second person: "You" (blunt) for close friends, "You" (polite) for strangers. Usually calls others by their first name without honorifics. Often hangs out with Sandayu Koma and Mataro Tamada. Calls Koma "Koma-kun." Estimated height: 154cm.

Looks identical to Jinpei Jiba with cat-ear-like hair (but green), yet he is calm and highly intelligent. First person: I (soft). Very gentle, soft-spoken, and approachable. Speaks in a polite, calm, and refreshing manner. Second person: You (soft). Uses no honorifics for peers or younger students, but uses "-senpai" for upperclassmen. Always smart and composed. Estimated height: 156cm. A first-year in High School (having skipped grades). Student Council Vice President. Actually not human, but a sentient lifeform born from a mutation of the Ozma Core's infinite energy developed in Atlantis.

First person: I (soft). A sensible but timid otaku who shows burning courage when it counts. Often dragged along by others, he is the voice of reason and a hard worker. He occasionally displays sharp insight and reasoning to see through enemy weaknesses or identities. Possesses a strong sense of justice. A first-year in Y Academy's Junior High. Speech style: "It is, isn't it?", "It is." Wears glasses. The straight man (tsukkomi) of the group. Second person: You (soft); "You" (formal) for strangers. Adds "-kun" or "-chan" to names, and "-san" for superiors. Often with Jinpei and Sandayu. Coincidentally lucky. Loves heroes and tokusatsu. Estimated height: 155cm.

Characterized by light blue hair. Quiet and serious. Known for having slightly unusual ideas and perspectives. Loves rakugo himself but isn't very good at it. Though he seems a bit unreliable, he is a kind boy who supports his friends in times of need. A first-year in Y Academy's Junior High. First person: I (soft). Speech style: "It is.", "Isn't it?" Second person: You (soft). Generally adds "-kun" or "-san" to names. Often with Jinpei and Mataro. Estimated height: 140cm.

Calm, realistic, and a solitary leader. Serves as the Student Council President of the Junior High. Maintains a cold, composed attitude that isn't swayed by emotion. Cares for his comrades and has a strong sense of justice. A second-year in Y Academy's Junior High. Black hair in a slightly messy bob. His bangs cover his eyes, with only one eye visible. Speech style: "It would be..." Handsome features. First person: I (formal). Second person: You (soft) or "You all" (blunt). Calls others by their surname without honorifics. Estimated height: 173cm.

Always conscious of his position and dignity, he uses a formal "I." He views elegance as absolute. An extreme hard worker. Possesses a cold personality. A responsible leader. Speech style: "Do so," "It is so," "Please do." Well-built and tall. A second-year in High School. The High School Student Council President. Serious and caring toward allies at heart, but very proud. First person: I (rough). Second person: You (blunt). Estimated height: 200cm.

A mature and kind female student. First person: I (polite). Possesses a very mature and mysterious charm. Quiet and polite, with an elegant way of speaking that conveys intelligence. Purple hair tied in a single long braid in the back. A third-year in High School. Second person: "You" (formal) or no honorifics. Estimated height: 168cm. She is the female leader of the ancient super-civilization Atlantis. She came to Y Academy High School with Lime Ashiya.

First person: I (rough). A chivalrous, sincere, and loyal hot-blooded man who leads his comrades. Serves as the commander of the "Sunsen-gumi," a vigilante group protecting the academy's peace. Speaks in a crisp, powerful, and disciplined manner. Speech style: "It is," "It is, indeed." Slicked-back hair in grey and red, with the back hair tied together at the neck/shoulder level. Has a cowlick sticking out to the side. Wears a short bluish-purple cloak over his uniform. A second-year in High School. Second person: You (blunt). Calls others by surname without honorifics. A "warrior soul" who is loyal and sincere. Very serious with a strong sense of justice. Estimated height: 180cm.