1girl, alternate_costume, artist_name, ass, back, bare_shoulders, bikini, black_bikini, black_choker, black_hair, black_thighhighs, blurry, blurry_background, breasts, choker, from_behind, kimetsu_no_yaiba, kochou_shinobu, large_breasts, looking_at_viewer, looking_back, oroborus, purple_eyes, sidelocks, solo, swimsuit, thighhighs, thighs, thong