1girl, d, ahoge, arms_behind_back, beach, blue_archive, blue_sky, blurry, cloud, cloudy_sky, collarbone, daifuku_(tkja3555), demon_girl, demon_horns, demon_wings, depth_of_field, footprints, forehead, full_body, hair_ornament, hairclip, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horizon, horns, legs, long_hair, looking_at_viewer, name_tag, ocean, official_alternate_costume, old_school_swimsuit, one_side_up, outdoors, parted_bangs, purple_eyes, sandals, school_swimsuit, sidelocks, sky, sleeveless, smile, solo, standing, swimsuit, toes, whistle, whistle_around_neck, white_hair, wings