4boys, agatsuma zenitsu, aged up, autumn, autumn leaves, baby, baby carry, black hair, border, bowl cut, brown hair, carrying, checkered clothes, closed eyes, closed mouth, drooling, falling leaves, grey hair, happy, if they mated, japanese clothes, kamado tanjirou, kimetsu no yaiba, kimono, komedawara0130, leaf, long sleeves, male focus, maple leaf, motion blur, multiple boys, profile, scar, scar on face, scar on forehead, scar on nose, shinazugawa sanemi, short hair, simple background, sleeping, tomioka giyuu, triangle print, uncle and nephew, white background