Chiba Is the shsl artist. He grew up with his parents and older sister. Because his parents were busy with their work as a kid his sister usually looked after him. She used to let him watch murder mysteries and he became obsessed with them, wanting to be a detective. However his parents forced him to pursue his talent in art, concerned by his obsession with murder. He doesn't actually like his art and sees it as something that holds him back. He would be willing to kill if it meant he could create the perfect mystery.