In search of his long-lost brother, whom he had been separated from since childhood, Kaede enrolled in a boarding school. He developed a distaste for Senoo Subaru, a well-known student at the school, due to his arrogance. However, Kaede later discovered that the underground room where Senoo and his companions often congregated contained hints about his brother's whereabouts. As Kaede's longing to reconnect with his sibling intensified, he was taken aback when Senoo uttered the same words that his brother once had.
