The Ember 3 pg 22 (Patreon)

The anatomy of succubi is very malleable.

--

Lisa heaves visible breaths in a POV shot from Lil's perspective, Lisa's arms stretched out on either side of Lil's head, "You ready, baby?" she says, staring into Lil's face.

"Y-yes!!"

An internal shot of Lisa pushing hard against Lil's cervix, spraying her insides, "HRRNG!!"

"Yes! YES!!"

Lisa's thoughts once again heard as they share a mind link, ...more... I can get deeper...

Lil hesitates, Y-you're right up against--

"HWAAH!! Lil shouts with hearts in her eyes as Lisa pushes through.