1girl, ahoge, beko_(beco_1122), black_skirt, blue_archive, blush, demon_horns, demon_wings, hair_ornament, halo, hina_(blue_archive), horns, long_hair, looking_at_viewer, low_wings, military, military_uniform, miniskirt, multiple_horns, purple_eyes, shirt, sitting, skirt, thighhighs, uniform, whistle, whistle_around_neck, white_hair, white_shirt, wings, zettai_ryouiki