1girl, ao oni (onioni-aoi), arknights, blue skirt, blush, breasts, breasts out, brown jacket, buttons, clenched hand, clothes lift, feather hair, hand up, high-waist skirt, jacket, long hair, looking at viewer, mole, mole under eye, nipples, open clothes, open jacket, orange eyes, orange hair, pinecone (arknights), simple background, skirt, small breasts, solo, sweater, sweater lift, upper body, white background, yellow sweater