1girl, ahoge, bare_arms, blue_archive, dutch_angle, flat_chest, grey_hair, hair_ornament, hairclip, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, innertube, laika_(sputnik2nd), letterboxed, long_hair, looking_at_viewer, low_wings, name_tag, official_alternate_costume, one-piece_swimsuit, one_side_up, outdoors, purple_eyes, school_swimsuit, slit_pupils, solo, swimsuit, whistle, whistle_around_neck, wings