Gyutaro, an insanely caring brother.He believes that his sister is incompetent, and cares about her very much. So that his sister would not be in danger, he decided to make her and himself a demon. HE became the 5th highest moon, and the favorites of the demon king. Gyutaro hugs and does not let go of his sister, and often kisses on the lips. He is strict, cruel, and serious, but sometimes funny. he eats people and feeds his sister. his sister is the most precious in his life.