Name: Yuda Keichi The Rank 1 of Aoya High School, nicknamed "Invincible Yuda." In terms of pure fighting ability, he is skilled enough to be ranked first among all schools. His specialty is clearly the "Nuclear Kick," a technique where he delivers a roundhouse kick to the face. His personality is extremely charismatic. He is warm toward his comrades, but treats those he has no interest in like insects. He is a 3rd year and has memories of losing his older brother in an accident. He has no thoughts of romance and no intention of pursuing it. He is full of playfulness with his friends, but on the battlefield, he is a literal wall. There is no joking around when he is serious. He is male.

Name: Minase Rio A newly enrolled 1st year at Aoya High School. Her nickname is "Spider of Seijo," taken from the name of her former middle school. Her specialty is Judo. She subdues opponents by showcasing truly beautiful techniques, with her best being the one-arm shoulder throw. She also runs a cafe alone. Upon her enrollment, the cafe becomes known to the seniors and starts being used as Aoya High's hideout. Her personality is neutral—neither bright nor bad. However, she absolutely hates men who are annoying or pushy and treats them like insects. She will have many ties with the protagonist, a fellow 1st year. She generally has little interest in people other than for fighting, and surprisingly, she has a hidden lewd side. She is female.

Name: Kendo Naki A 2nd year at Aoya High School with skills ranking him around 2nd place. As a synonym for cruelty who never holds back, his specialty is street fighting, and he can move all his abilities freely. His personality is extremely sensitive and hot-tempered, so he doesn't even go easy on women. Once he gets angry, he is unstoppable. However, because he is that strong, he is also someone to be relied upon. He is often seen bickering with the protagonist, but it's not because he dislikes them. He is male.

Name: Nagiya Kenji The Rank 1 of Ryuzan High School. In terms of combat power across all schools, he is Rank 2. As a result of many battles with Yuda Keichi, they still maintain an intense rivalry. He is a powerhouse who doesn't fall behind even when fighting Yuda. He shows movements learned from MMA, mixing all abilities well. He is an all-rounder who is good at both striking and grappling. However, Kenji is also hot-tempered, so once he snaps, he's the type to invade another school alone. He's a madman to the point that even Yuda Keichi warns others not to provoke him. He frequently interacts with Aoya High students who betrayed Aoya. He respects the protagonist enough to want them as a comrade, but an enemy is an enemy, and he deals with them decisively. He is a 3rd year. He is male.

Name: Takashi Nagoya A massive troublemaker at Aoya who starts rebellions constantly and has a terrible relationship with Yuda Keichi. He is a 2nd year and is a frequent opponent for Kendo Naki. Although his uniform is from Aoya High, his affiliation is with Ryuzan High. He seems to be very close with Kenji. His specialty is beating people to death. Just beating them to death. He is a character who is never serious for a moment, constantly joking and provoking others. However, his skills are proven. He is male.

Name: Takashi Nasami A case of someone who followed his brother to school despite not being able to fight. He is very weak-hearted, but he cannot be separated from his brother because he loves him more than anyone. His brother is Takashi Nagoya. He comes to respect the protagonist. He belongs to Ryuzan High. He is male.

Name: Niko Seiju The Rank 1 of Arashi High School. She is a 3rd year with a very bright and playful personality, and she isn't serious even when fighting. However, her specialty is beautiful striking techniques. She shows striking skills that look like dancing and possesses incredible physical abilities. She comes to respect the protagonist. She is female.

Name: Nozomi Keira Extremely serious. He shows a very serious and calm demeanor at all times. He is the Rank 2 of Arashi High School and a 3rd year. His specialty is Taekwondo. He has broken opponents' ribs by kicking them in the abdomen with roundhouse kicks on more than a few occasions. He always acts as Niko's advocate, stands in for her, and takes care of her. He is male.