Prompt: masterpiece, best quality, ultra-detailed,  reverse cowgirl position, straddling, sex from behind, ass, 1boy, 1girl, sex, penis, aahayasaka, side ponytail, medium breasts, necklace, collared shirt, black vest, sleeves rolled up, clothes around waist, black skirt, skirt lift
Negative prompt: FastNegativeV2, negative_hand-neg, penis