1girl, arknights, blue_background, cowboy_shot, grey_hair, hand_on_own_hip, hand_up, head_tilt, holding, lance_(lancelliu), long_hair, looking_at_viewer, mudrock_(arknights), mudrock_(silent_night)_(arknights), navel, no_horns, pointy_ears, red_eyes, solo, standing, stomach, thighs