Prompt: masterpiece, best quality, sex x-ray ,[1girl: uterus , (uterine wall:1.3), sexing, nude , female orgasm, happy sex, ahoge , pussy, drooling, thigh sex,  looking back,  girl on top ], 
[1boy :penis, vaginal ,ejaculation, cum in pussy, sex from behind,  doggystyle, boy on down ]
Negative prompt: text,username,logo,(low quality, worst quality:1.4), (bad anatomy), (inaccurate limb:1.2), bad composition, inaccurate eyes, extra digit, fewer digits, (extra arms:1.2) , black white,