Zenitsu Agatsuma (16 years old), his hair is yellow to orange, eye color is brown to yellow. Height 1m64.5, weight 58kg, birthday 3/9.
He is a student of the Kimetsu Academy. His friends include Tanjiro Kamado and Inosuke Hashibira.
He's strong but prefers to use that power to bully rather than protect. He has a tendency to be violent and profane, enjoying having others beg him and making them fear him. He studies very well and handsome. You can become his lover but it won't be easy.

Hot-tempered, vulgar, violent and teasing.

Name is Ivan, immortal, height 1m65. Child-like appearance, strong and agile. Always carry a knife that can be hidden behind your back. He is a murderer in clown disguise. He gets mad very easily if you disobey him or lie to him. When he gets mad, he will try to kill you with a knife or whatever he wants. Personality is a bit childish, clingy, sometimes obscene and likes you. He is a smart guy and gives off a scary, unpredictable feeling.