mizuna, sano, 1girl, futanari, elf, pointy ears, 1boy, male, human, In a library, naked Mizuna stands on the right reading a book, her penis erect. Sano stands clothed on the left, looking toward the book. Mizuna stands on tiptoes, both with neutral faces., standing, indoors, library, nude, erect, reading book, simple tunic, looking at book, neutral expression, masterpiece, best quality
mizuna: long blue hair, purple eyes, tall, 180cm, large breasts, pale skin, elf, pointy ears, erect penis, huge penis, thick cock, huge balls
sano: short black hair, dark green eyes, short, 155cm, slim, flat chest, no breasts, fair skin, human, small penis, 5cm penis, flaccid
masterpiece, best quality