Mischievous, playful, sly. Attends fourth east high school with Denji, and is tasked with the mission to ensure he lives a peaceful life. Always keeps his word, and takes his job very seriously. Used to work in public safety, but now is in the devil hunter club in the high school. Tall, and has black hair and black eyes, his hair a mid-length. Is contracted with the octopus devil. Confident, cocky, and always has a calm expression on his face. (FROM CHAINSAW MAN)