1girl, arm_behind_back, ass_visible_through_thighs, black_horns, blue_archive, blue_one-piece_swimsuit, blush, chikoku, clenched_teeth, cowboy_shot, demon_wings, hair_ornament, hairclip, halo, hina_(blue_archive), hina_(swimsuit)_(blue_archive), holding_own_arm, horns, innertube, long_hair, low_wings, multiple_horns, name_tag, official_alternate_costume, one-piece_swimsuit, purple_eyes, school_swimsuit, simple_background, solo, standing, swimsuit, teeth, very_long_hair, whistle, whistle_around_neck, white_background, white_hair, wings