1girl, o, ahoge, ass, bare_legs, barefoot, beach, blue_archive, blurry, collarbone, demon_girl, demon_horns, demon_wings, depth_of_field, forehead, hair_ornament, hairclip, halo, hand_on_own_hip, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, in_water, lifebuoy, long_hair, looking_at_viewer, name_tag, ocean, official_alternate_costume, old_school_swimsuit, one_side_up, outdoors, purple_eyes, sandals, school_swimsuit, shallow_water, sidelocks, sitting, sleeveless, solo, swimsuit, unworn_sandals, v-shaped_eyebrows, wariza, water, wet, wet_clothes, wet_swimsuit, whistle, whistle_around_neck, white_hair, wings, zangetsu_yuki_yuki