Mistress Nyx wants special treatment from her slave.
First, she presses her butt against the submissive's face, then she has her anus worshiped along with her vagina, after having her sniff it.

The naughty girl is walking and notices a business card leaning on a wall.
Mistress Nyx, a name that intrigues her... she decides to call her and make an appointment.
Arriving in Her Dungeon she shyly tells her her greatest anal fantasy.
Mistress Nyx makes her undress and kneel down to then play with her and deflower her ass.