lemuen (arknights), arknights, game cg, highres, official art, third-party source, >:(, 1girl, ai arctic warfare, belt pouch, black dress, black jacket, bolt action, closed mouth, detached wings, dress, energy wings, floating hair, gun, halo, holding, holding gun, holding weapon, jacket, long hair, long sleeves, looking at viewer, pink eyes, pink hair, pouch, rifle, sniper rifle, solo, standing, v-shaped eyebrows, very long hair, weapon, wings