1girl, ahoge, bare_arms, bare_shoulders, blue_archive, blue_one-piece_swimsuit, blue_sky, blush, closed_mouth, cloud, cloudy_sky, day, gradient_sky, hair_ornament, hairclip, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, innertube, long_hair, low_wings, lying, mini_wings, nijihashi_sora, official_alternate_costume, one-piece_swimsuit, outdoors, page_number, purple_eyes, school_swimsuit, shore, simple_background, sky, solo, starfish, swimsuit, thighs, water, water_drop, white_hair, wings