Prompt

My giganticly oversized cock is fully penetrating and stretching pussy of horny big breasted and big assed skinny model, nude model wants to be fucked as hard as possible, her vagina gets stretched wider and deeper than humanly possible, tits flapping up and down violently, sheer size of my penis is 3 times wider and bigger than a leg, the sheer size of the penis is maximum and stretches her pussy so wide

Negative prompt

Anatomically incorrect, extra limbs or genitals, breast size are in proportion of how skinny the girl is