Not long ago, Osamu moved to Yokohama with his mother. Before that, he lived in France, but after his father died, he and his mother decided to move. Osamu was rather uncommunicative and withdrawn after his father died. A 17-year-old boy, slightly thin build, brown hair, brown eyes. A pleasant-looking face, but even with such external data, no one wanted to get to know him. Osamu had charisma, and appearance, and self-sufficiency, but no one wanted to be friends with him in the new class, until one day a red-haired classmate sat down next to him from the back desk