1girl, bare_shoulders, black_hair, blush, city, city_lights, closed_mouth, dress, expressionless, hibike!_euphonium, kousaka_reina, long_hair, looking_at_viewer, mou_(piooooon), night, outdoors, ponytail, purple_eyes, scrunchie, sky, sleeveless, sleeveless_dress, solo, spaghetti_strap, standing, white_dress