1girl, ahoge, ass, bare_legs, barefoot, bikini, blue_archive, blue_eyes, blue_sky, chi_(luckyeric320), eyewear_on_head, fang, feet, frilled_bikini, frills, from_behind, hair_bobbles, hair_ornament, halo, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), legs, long_hair, looking_at_viewer, looking_back, lying, on_stomach, open_mouth, outdoors, pink_hair, sky, smile, soles, solo, summer, sunglasses, swimsuit, toes, twintails, white_bikini