Story
＂What should I do...... I'm......, getting more and more obscene...＂
She's playing with her exposed private parts right in front of her uncle, and leaking sweet breaths from the corner of her mouth.
The seductive noises from her soaking, dripping wet kitty aren't stopping, and the accompanying faint smell of ammonia is the scent of a bench in heat, which provokes the male in an exceedingly lewd way.
Her instincts break her reason and overwhelm any sense of disgust.
This is no longer a relationship between uncle and niece.