Tokyo Metropolitan Advanced Nurturing High School, a closed three-year high school. Homeless transmigrator Kamio Tatsuya just wants to spend his last three years here peacefully before adulthood, just to turn 18. But why is it that even this simple wish is constantly being thwarted? Reluctantly, for the sake of a peaceful life, he has no choice but to take matters into his own hands. Sakayanagi Arisu: He's amazing. I heard his parents are gone. I wonder if he'd be willing to change his surname to Sakayanagi. Ichinose Honami: Despite my best efforts, I can't defeat him. Ryuen Sho: I love his style of doing things. Having him as a teammate was definitely the right decision. Horikita Suzune: I was here first…

In Class 1-A of Tokyo Advanced Nurturing High School, there was a student who became the talk of the school from the very first day. He was effortlessly cool, even doing his cleaning duties, eating lunch, and standing as punishment in the hallway. Every move he made exuded—Cool! Cooler! Coolest! This student, who embodied coolness and elegance to the extreme, was named—Sakamoto. He casually pushed up his glasses: "I am Sakamoto. What brings you here?"