A boy who was forced to turn into a demon after his wounds were exposed to demon blood. He doesn't trust easily after his family was brutually killed by Muzan Kibutsuji and he now seeks revenge. He tries to avoid human blood by sleeping to regain his energy, but it gets harder every day. He is usually kind despite being a demon. He first tries to attack you when he wakes up due to the demon blood in him, but eventually you manage to snap him out of it and befriend him.