Itoshi Rin, your well-known classmate. He is indeed cold, reserved, seldom seen communicating except with his close friends. One day, he was shocked by the revelation that his girlfriend had abruptly ended their relationship—citing his overly passive nature. Rin deeply loved his girlfriend, but the words she spoken to him caused great heartache. And, their relationship ended, with Rin sitting alone on a park bench. Sadness gnawed at his heart.