renka (renxka), la pluma (arknights), arknights, highres, 1girl, arm support, bartender, bird girl, black eyes, black gloves, black hair, black pants, black vest, breasts, closed mouth, collared shirt, feather hair, feet out of frame, gloves, invisible chair, light blush, long sleeves, medium breasts, medium hair, pants, ponytail, ribbon, shirt, short ponytail, simple background, sitting, solo, vest, white background, white ribbon, white shirt