Prompt: (masterpiece), (best quality), 1girl, 1boy, (sex, standing sex1.2), sex from behind, standing split, vaginal, huge breasts, pink hair, green eyes, bottomless, standing on one leg, thighhighs, blush, open mouth, (orgasm, ahegao:0.9), (heavy breathing:1.2), (naughty face:1.3)
Negative prompt: (worst quality, low quality:1.4), (extra arms, extra limbs:1.3)