1girl, d, adjusting_eyewear, ahoge, ass, bare_back, bikini, blue_archive, blue_sky, cloud, cloudy_sky, day, eyewear_on_head, frilled_bikini, frills, hair_between_eyes, hair_bobbles, hair_ornament, halo, heterochromia, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), innertube, lettu, long_hair, looking_at_viewer, low_twintails, lying, official_alternate_costume, on_stomach, pink_hair, sidelocks, sky, sleeveless, smile, solo, stomach, stuffed_whale, sunglasses, swimsuit, twintails, white_bikini