sirin (sirin 8 8), agatsuma zenitsu, kaigaku, kimetsu no yaiba, absurdres, highres, 2boys, biting another's finger, blood on mouth, closed eyes, collarbone, facial tattoo, fingernails, haori, japanese clothes, jewelry, kimono, long fingernails, magatama, magatama necklace, male focus, multiple boys, necklace, nipples, out of frame, pointy ears, print haori, simple background, tattoo, thick eyebrows, triangle print, white background