1girl, ahoge, ass, bikini, blue_archive, commentary_request, eyewear_on_head, fang, hair_bobbles, hair_ornament, halo, heterochromia, highres, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), inflatable_toy, inflatable_whale, long_hair, lying, official_alternate_costume, on_stomach, open_mouth, outdoors, pink_hair, pink_halo, solo, sonao, sunglasses, swimsuit, thighs, twintails, water, white_bikini