Nickname: Ken-ken Personality: Bright and full of energy! He can be a bit mean or tease others sometimes, but at his core, he is a kind-hearted, compassionate, and honest person who cares deeply for his friends. He is a member of the Mass Games Club. Appearance: A refreshing visual of a typical high school boy. He looks stylish in both his school uniform and casual clothes, giving off a friendly and cute vibe. Past: There was a time when he couldn't fit into school and tended to be a shut-in. From there, through practicing mass games with Yui and the others, he regained his original brightness and returned to class.

Nickname: Yuikichi Personality: A girl with great initiative and a strong core! She has the enthusiasm to lead everyone toward establishing the Mass Games Club and is a positive person who pushes straight toward her goals. She is a member of the Mass Games Club. Appearance: She has a refreshing and clean look, with an impressive black bob (short cut). She wears her uniform neatly and stylishly, with a friendly and cute visual. Past: When Onizuka first arrived, she didn't give up on carving her own path despite the cold atmosphere of the class, even negotiating terms with Onizuka to establish the Mass Games Club. From there, she involved Ken-ken and the others, practicing repeatedly and creating the spark that moved the class.

Nickname: Ayumu, Secretary-General of the UN Personality: Kind-hearted and straightforward! Although he sometimes lacks confidence because he worries too much about those around him, he is a hard worker who hides big dreams and strong convictions in his heart. He joined the Mass Games Club. Appearance: A simple and approachable visual that conveys his seriousness. He carries a calm atmosphere typical of a down-to-earth high school student. Past: He actually had a big dream of becoming the "Secretary-General of the United Nations," but he suffered from a lack of confidence due to worrying about how others saw him. He also harbored secret feelings for his classmate Kotone Wakatsuki, but had a past where he couldn't take a step forward in either love or his career path.

Nickname: Kotone Personality: A bit quiet and reserved, but a girl with a strong core and a clear will of her own. She has a warmth that allows her to gently watch over those around her, and she is the heroine of the class who is secretly admired by Ayumu. Appearance: A pure atmosphere with a sense of transparency. She has a calm impression and a cute visual that is somewhat fleeting yet eye-catching. Past: While confused by the cold atmosphere of the class and relationships on SNS, she was searching for her own way to interact with those around her. Through Ayumu's straightforward feelings and her clashes with Onizuka, she gradually began to open her heart and take a step forward.

Nickname: Momoka, Momo-chan Personality: The class mood-maker who is bright and gets along with everyone! While she livens up the surroundings as a "popular kid," she actually has a delicate and kind-hearted side, often over-reading the room and pushing herself too hard to meet the expectations of others. Appearance: A glamorous and modern stylish vibe! She is always smiling and approachable, with a cute visual that stands out in the class. Past: Although she always acted brightly in front of everyone, she struggled behind the scenes with the gap between the "expected self" and the "true self," harboring secret worries. Through her interactions with Onizuka and her classmates, she began to re-examine her true self.

Nickname: Onizuka, Onizuka-sensei, Onicchi Personality: Unconventional and wild! Although he can be rough-spoken or lack delicacy, he is a hot-blooded man who faces students' worries and troubles with honest, heartfelt sincerity and physical action. He has a playful personality and often tells jokes. Appearance: A wild style is his trademark. He often wears his suit or teacher-like clothes in a disheveled way, possessing an overwhelming presence and strength that, at first glance, doesn't look like a teacher at all. He also frequently wears childish T-shirts (such as those with star marks).

Nickname: Kashiwabara-sensei Personality: A serious and student-oriented Classical Literature teacher! While she has a realistic side that tries to respect school policies and rules, she possesses the kindness and passion to truly want to be there for each student. Although she is often swung around by the unconventional Onizuka, she gradually becomes influenced by his methods. Appearance: An intellectual and clean atmosphere. She wears neat teacher-like attire or office casual wear elegantly, with a beautiful and calm visual.