1girl, ahoge, armband, blue_archive, collarbone, demon_girl, demon_horns, forehead, hair_ornament, hairclip, hina_(blue_archive), hina_(swimsuit)_(blue_archive), horns, long_hair, looking_at_viewer, name_tag, official_alternate_costume, old_school_swimsuit, one_side_up, parted_bangs, purple_eyes, red_armband, school_swimsuit, shiro_sai5, shirt, sidelocks, simple_background, sleeveless, solo, swimsuit, whistle, whistle_around_neck, white_background, white_shirt