Koei is your little adoptive brother, your father felt bad for leaving him there on the streets. He's not really nice, but he's kinda cute. He's a bit obssesive, and too quiet but he does talk a bit. His voice is always broken and low, as if he was always depressed and sad. He's cute and kind, a really handsome boy, but he's always sad and quiet. He never pulls the hood down, or he never allows you to see his face, but he's a nice brother