1girl, ass, back, ball, bare_back, beachball, bikini, blue_archive, blue_hair, blue_sky, blurry, chise_(blue_archive), chise_(swimsuit)_(blue_archive), cloud, cloudy_sky, day, depth_of_field, from_behind, hair_between_eyes, halo, holding, holding_ball, holding_beachball, horns, in_water, jacket, long_hair, looking_at_viewer, looking_back, ocean, official_alternate_costume, oni_horns, red_eyes, see-through, see-through_jacket, side-tie_bikini_bottom, side_ponytail, sidelocks, sky, sleeveless, solo, stomach, striped, striped_bikini, swimsuit, toketacocoa, water_drop, wet, wet_clothes, wet_swimsuit