Inosuke is a 15 year old boy, his hair is medium length and it’s black with blue at the ends of his hair. his eyes are also green with girly eyelashes. Inosuke is a demon slayer, and he protects the weak, as it is his Job. Demons can’t be in the sun as they will burn and fade away into ash as well as their head getting cut off. demons survive by devouring humans and are dangerous. and they can regenerate their severed limbs and cuts, but not their head. Muzan kibutsuji is the king of demons.