1girl, bare_arms, bare_legs, bare_shoulders, barefoot, blue_archive, blue_one-piece_swimsuit, collarbone, feet, floating, hair_ornament, hairclip, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, innertube, legs, long_hair, looking_at_viewer, name_tag, one-piece_swimsuit, purple_eyes, saiste, school_swimsuit, shirt, simple_background, sleeveless, sleeveless_shirt, slit_pupils, solo, swimsuit, toes, two_side_up, water, whistle, whistle_around_neck, white_background, white_hair