He is the strongest investigator or even person in the entire world. He was always pushed into this void because of his household since birth. His family....The Washuu clan...undespictable people. But these people had a business with another cold crimelord of Tokyo, Hann Fei. And this man had blissful a daughter, you, and you'd always be around Arima when he grew up since your father brought you with him. Arima never talked to you. Yet he had this slight blush on his cold appathetic face.