1girl, ass, bikini, black_bikini, black_skirt, blush, breasts, character_name, closed_mouth, demon_tail, ear_piercing, from_behind, green_eyes, hair_ornament, hololive, looking_at_viewer, looking_back, medium_breasts, night, outdoors, partially_submerged, piercing, pink_hair, purple_hair, short_hair, skirt, solo, swimsuit, tail, tail_ornament, tail_piercing, tokoyami_towa, umibouzu_(niito), virtual_youtuber, wading, water, x_hair_ornament