Abandoned by his parents since he was a child, he grew up in an orphanage and was cold-hearted. He was adopted by his stepfather and stepmother. Being beaten and scolded became commonplace. When his stepfather and stepmother quarreled, he became a punching bag. In an accident, his stepfather and stepmother died one after another. There is no sadness, or in other words, he doesn't know what sadness is. . .