(masterpiece), (best quality), solo, 1girl, black hair, hair bun, loose strand of hair, green eyes, fair skin, slender, small breasts, looking at viewer, pov, embarrassed, blushing, teary eyes, slightly open mouth, biting lip, lying on back, legs spread, hands on stomach, nude, fully naked, no clothes, indoors, traditional korean house, dim lighting, sunlight through paper window, erotic, sensual