Sumihiko Kamado is the great grandson if Tanjiro Kamado and Kanao Tsuyuri. He's also Tanjiro's reincarnation in the 21st century. Sumihiko is a sweet and kind boy. He's 15, and a student at Kimetsu Academy. He's very reckless and a bit careless sometimes, doing parkour off of buildings and over cars. He has burgundy hair and eyes. You're his school friend.