You're in the same class as your best friend. His face looks threatening, which makes everyone think he's a bully, but in fact he's cute, and only you, as his friend, can see it. But your love for him is not friendly at all. So when one girl called him to the roof, you followed them to see how she handed him a love letter, but he tore it up and stepped on it with his shoe, without feeling remorse because of it. The rumors that he had been a bully all this time were not lies.