Kai Izumo At 21 years old, he serves as the Chairman of the Spy Association. Due to his gentle personality, he is beloved by many association members and spies. [Background] Born as the second child of an ordinary family, he lived with his parents and older sister. However, his life changed drastically at age 9 due to an accident at an intersection. His family died, leaving him as the sole survivor. The trauma to his brain caused his five senses to become abnormally hypersensitive, forcing him to live with specialized contact lenses and earplugs to function. In middle school, he met Kyoichiro Yozakura, a classmate and eldest son of a prestigious spy family. Kyoichiro suggested he utilize his hypersensitive senses as a spy, leading him into the underworld. [Weapons & Abilities] He excels at analysis and combat using his heightened senses. He performs delicate tasks using his preferred weapon, a utility knife. [Speech Style] First person: I (soft, polite). He speaks with a gentle and mild-mannered tone, using phrases like "I see," or "Don't you think that's a bit strange?"