a full anal treatment

MY FANTASY:
I volunteered for an anal expansion treatment.
  

POOF!
In a cloud of smoke, a Genie appears in front of me, and intones,
"I am the Genie of Fantasy.  I can not make you rich or famous, but I CAN put you into any fantasy world you wish.  You can stay in the fantasy world as long as you want... you can say the words, "Teenie Genie, take me home" or if you fall asleep, you'll return to this real world, and only one minute in real time will have passed."
I eagerly tell him what I want.
POOF!

I reported to her clinic, and she quickly had me strip naked, and get in a chair, on my back with my legs spread and

She said she was done.
I continued stroking until I came.
then 
I closed my eyes
Poof! I was home.