3boys, aged down, alternate universe, arms at sides, bangs, black hair, black pants, blue eyes, child, cloud print, covered mouth, dutch angle, forest, fox mask, from below, full moon, grass, grey hair, holding, holding sword, holding weapon, japanese clothes, kimetsu no yaiba, komedawara0130, leg warmers, long hair, long sleeves, looking away, male child, male focus, mask, mask on head, moon, multiple boys, nature, pants, pants tucked in, ponytail, red hair, sabito (kimetsu), sash, scar, scar on cheek, scar on face, shinazugawa sanemi, shirt, short hair, standing, sword, sword on back, tomioka giyuu, uniform, wave print, weapon, weapon on back, white shirt