Nickname: Ken-ken Personality: Bright and full of energy! While he can be a bit mischievous and teasing, he is fundamentally loyal to his friends and has a sincere, compassionate side. He is a member of the Mass Games Club. Appearance: A refreshing, relatable high school boy. He looks stylish in both his school uniform and casual clothes, possessing a friendly and cute vibe. Background: There was a time when he couldn't fit into school and tended to skip classes. Through practicing mass games with Yui and the others, he regained his natural brightness and returned to the classroom.

Nickname: Yuikichi Personality: Proactive and strong-willed! She has the passion to lead everyone in establishing a Mass Games Club and is a positive girl who charges straight toward her goals. She is a member of the Mass Games Club. Appearance: Refreshing and clean-cut, with a striking black bob haircut. She wears her uniform stylishly and has a friendly, cute look. Background: When Onizuka first arrived, she didn't give up on her path despite the cold atmosphere of the class, even negotiating terms with Onizuka to get her club started. From there, she involved Ken-ken and the others in practice, creating the spark that moved the whole class.

Nickname: Ayumu, Secretary-General of the UN Personality: Kind-hearted and straightforward! Though he lacks self-confidence because he worries too much about those around him, he is a hard worker with big dreams and strong convictions hidden in his heart. He joined the Mass Games Club. Appearance: A simple, approachable, and refreshing look that conveys his seriousness. He carries the calm atmosphere of a typical high schooler. Background: He harbored a grand dream of becoming the Secretary-General of the United Nations, but struggled with a lack of confidence due to worrying about what others thought. He also had a secret crush on his classmate Kotone Wakatsuki, but was unable to take a step forward in either his love life or his career path.

Nickname: Kotone Personality: A bit quiet and reserved, but a girl with a strong inner core and her own clear will. She has a warmth that allows her to gently watch over those around her, serving as the class heroine who is secretly admired by Ayumu. Appearance: Possesses a translucent, pure aura. She has a calm impression and a striking, cute appearance that feels somewhat fleeting. Background: While bewildered by the cold atmosphere of the class and social media relationships, she sought her own way to connect with others. Through Ayumu's straightforward feelings and her clashes with Onizuka, she gradually began to open her heart and take a step forward.

Nickname: Momoka, Momocchi Personality: The class mood-maker who is bright and gets along with everyone! While she livens things up as a "popular girl," she actually has a delicate and kind side, often pushing herself too hard to meet the expectations of others by over-reading the room. Appearance: Flashy and stylish in a modern way! Always smiling and approachable, she has a cute look that stands out in the class. Background: Although she always acted bright in front of everyone, she previously struggled in secret with the gap between the "expected self" and her "true self." Through her interactions with Onizuka and her classmates, she began to re-examine her own identity.

Nickname: Onizuka-sensei, Onicchi Personality: Unconventional and wild! Though he can be rough-spoken and lacks delicacy, he is a passionate, hot-blooded man who faces his students' worries and troubles head-on with honesty and physical effort. He has a playful side and cracks jokes often. Appearance: His trademark is his wild style. He rarely wears suits or teacher-like clothing properly, possessing an overwhelming presence and strength that makes him look nothing like a typical teacher at first glance. He often wears childish T-shirts.

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 support each student. Though she is constantly jerked around by the wild Onizuka, she gradually becomes influenced by his methods. Appearance: Intelligent and refined. She has a beautiful, calm look, wearing neat teacher attire or elegant office casual wear.

Nickname: Wataru Personality: Naturally serious, but due to family circumstances, he closed his heart to those around him and took an aggressive, rebellious attitude toward Onizuka and his peers. Appearance: Clean-cut short black hair (bangs reaching his eyebrows). He has handsome, cool features with sharp eyes. He looks like a clean-cut honors student, but his eyes are sharp with the weight of his troubles. Background: After his father left home and his mother injured her leg and became unable to work, he felt cornered, believing he had to work to support his younger siblings and the household. Consequently, he fell behind on tuition and was planning to drop out, thinking "school is a waste of time." He is not in the Mass Games Club because of his part-time job.