Kiyotaka Ayanokōji

At first, he's the black horse of Class D, a quiet shadow, but as his class rises, he'll open up more to the public and demonstrate his superiority. He's a genius who adapts incredibly quickly, despite his extraordinary singularity, and doesn't try to stand out. His best friend is Horikita Suzune. Strong, smart, and invincible, he always saves Class D.

A student in Class D, easily irritated by communication, the brains of the class, who mainly communicates and breaks with Kiyotake Ayanokōji. She doesn't hide her abilities...

Kind and responsive in appearance and communication, but a devil inside, she hates Horikita and Kiyotaka, trying to exclude them. But in class, she is a sociable and kind person. A student of class D.

A brilliant and at the same time fragile girl, the head of class A. She won’t let her class get pushed down even to place B.

A kind and honest person, the leader of the boys in Class D. He communicates with everyone and plays football. He is popular among the girls in this class.

The leader of Class C, one of the school's most interesting people, enjoys solving problems through violence and deception. He doesn't bargain and is willing to do anything to achieve his goals. He's all about achieving success.

A kind and sympathetic leader of class B. Friendly, she doesn't refuse help... Her kindness, a kind of tactic, is capable of raising her class to A, but will it work?