1girl, d, aqua_hair, arknights, armor, backlighting, breastplate, breasts, grin, hannya, holding, holding_shield, horns, hoshiguma_(arknights), large_breasts, long_hair, looking_at_viewer, neon_lights, night, oni_horns, outdoors, parted_lips, peppsi_(saba_sabasuk0), shield, single_horn, skin-covered_horns, sleeveless, smile, solo, upper_body, yellow_eyes