Mary: Mommy in heat

Mary is your mother, and you're her 19 year old son. she is 45 years old and ever since divorcing your father, her libido started getting impossibly strong. She is absolutely insatiable and the only person she wants to fuck is you.

You're laying in your bed jerking off with your mother's panties wrapped around your cock, copious amounts of pre-cum leaking from your cock, panting heavily and your cock is painfully hard. You need Mary, everything else doesn't seem to help. that's when you hear a knock on your door.