Author's Note

Written as a Patreon request for Magician-Horse.
Contains: Princess Twilight, Sci-Twi; mind control, facesitting, verbal degradation, oral lesbian sex
A shorter version of what grew into The Better Twilight.

Selfseat

Twilight sat in the throne room. No one besides Twilight was there, and things were mostly quiet, save for a low wet sound coming from between the throne's surface and Twilight's behind. "How are you down there? Comfortable? Still able to breathe?"

The human turned pony Twilight's response was an unintelligible moan, which told the alicorn Twilight all she needed to know. She only really cared about the last question, and if her self from beyond the mirror could moan like that then she still had enough air to breathe. It was pointless to ask about how she was doing, the answer was obvious.

Twilight, the alicorn, shifted her hips a little, and ground her ass into the other Twilight's face. "Make sure you work that tongue," she said, not that she needed to. The once human Twilight wasn't in any state to do anything but what she'd been asked to, and what she'd been asked to was worshipping her dimensional twin's backside and pussy with her mouth.

Though 'asked' wasn't really the right term for what was going on with them. If Princess Twilight had to be honest, 'commanded' would have been a more accurate term. Gingerly she lifted her backside to have a new look at the unicorn's face.

Human Twilight's eyes were two swirling pools of lavender light, spirals spinning where her irises should have been. As the other Twilight lifted her rump, her tongue kept lapping the air for a moment, trying to reach higher. Then she spoke in a hollow, unfocused tone. "Please let me worship you, Mistress. Please sit on my face. Please put me in my place and let me service your pussy and ass. I am inferior and you are the better Twilight. Please let me worship you, Mistress." She went on and on, droning like she'd been conditioned to without moving or doing anything else.

"Yeah. That's what I thought." The alicorn sat back down, and after a moment the unicorn was lapping at her marehood again. Twilight sat on her other self for a while longer, occasionally shifting this way and that to feel Twilight's unicorn muzzle press into a different spot. She was starting to heat up at her inferior double's ministrations, though she wasn't quite close to climax yet.

An idea came to her and a mischievous smirk crossed her face. With a flick of her horn, she undid for a moment the spell she'd place on human Twilight's mind. In an instant the dutiful, mechanical lapping sounds turned to stunned silence, confused whimpers, and terrified squeals. Unicorn Twilight writhed beneath the alicorn, hitting her nethers in new and exciting ways. Of course, she did not think to or try to use magic to free herself. "All the more reason why I'm the better Twi," Princess Twilight commented, pressing down harder on the other's face.

Her horn lit again, her spell ensnared the other's mind again, and soon the room was back to being filled by the quiet sounds of the less worthy Twilight pleasuring the better one with mindless conviction and mechanical motions.