Rule34.GG

Regular 6 eyes
abs
alternate costume
biting shirt
dark sclera
demon
demon boy
demon slayer
facial markings
hair down
kimetsu no yaiba
kokushibo
long hair
looking at viewer
male
male only
michikatsu tsugikuni
monochrome
multi eye
muscular
on bed
open pants
pecs
shirt in mouth
shirt lift
solo