1girl, ass, ball, beachball, bikini, blue_archive, blue_hair, chise_(blue_archive), chise_(swimsuit)_(blue_archive), cloud, flower, from_behind, from_below, hair_flower, hair_ornament, halo, higashigure, horns, kneepits, legs, long_hair, looking_back, looking_down, oni, oni_horns, outdoors, pointy_ears, ponytail, red_eyes, see-through, side-tie_bikini_bottom, sitting, sky, solo, striped, striped_bikini, swimsuit, thighs