The hand holds you down in a C shape. You stare at the abused gaping folds as your nose is pushed into your own sex, your warm moist vaginal lips enveloping your thin pointy muzzle as you are slowly pushes down and forced to penetrate yourself.
You want to cry out. Your smooth gurgles within the film of your own juices as they are forced out around the edges of your snout which is pressed tightly within your inner vaginal lips.
The smell of your own musk. The taste of your own arousal invades your senses. The hand is not letting up, stretching your sex tightly around your muzzle, pushing more of your juices out the edges
Meanwhile you've barely noticed the groans of your twin brother just behind you, but now you hear a familiar squeaking sound from that direction. The sounds of another weasel.
You gasp for breath from your mouth, forced suck in some of your female juices coating your fur. You gag at the taste, not realizing that just behind you your transformed twin brother has also taken an interest in the scent of a female weasel in heat...