a1 (initial-g), nakano azusa, k-on!, 00s, 1girl, alcohol, barefoot, black hair, blush, bottle, breasts, brown eyes, completely nude, female focus, female pubic hair, flat chest, full body, holding, holding bottle, kneeling, legs folded, loli, long hair, nipples, nude, open mouth, pubic hair, red eyes, sake, seiza, simple background, sitting, solo, teeth, twintails, upper teeth only, wakamezake, water, white background