1man, cisgender male, fully biological male, muscular, tall, well-built, strong physique, natural penis, no body modifications, realistic and well-detailed genitals, standing behind one of the two tall european very muscular nude girls, engaged in deep anal sex, doggy-style position, man leaning forward slightly, his hands gripping her hips tightly, his body close to hers, intense facial expression, focused on the act, strong posture, veins visible on his arms, 2girl, pigtails, two tall european very muscular nude girls, big breasts, wide hips, slim waist, blonde long hair, big lips, ultra quality, high quality, realistic skin, realistic anatomy, both girls fully nude, one girl in doggy-style position, knees and hands on the ground, her back arched, hips raised, breasts hanging down, her face turned slightly to the side, mouth slightly open, focused expression, second girl kneeling nearby, observing the scene, leaning on one hand, her other hand resting on her thigh, toned abs, big fake tits, silicon breasts, bimbo, choker, womb tattoo, nipples, stockings, garter belt, gyaru, blonde, gigantic breasts, tattoos, twins, muscular bodies, no signs of aging, youthful appearance, well-detailed and realistic female genitals, 8K resolution, explicit sexual content, anal penetration, man penetrating girl from behind in doggy-style position, sexual interaction