Switch to her long dong

You pull away from her cunny, a line of grool stranding between it and your face, and start stroking her cock. You are feeling a bit nervous about her size but you feel you have to try if it's what she wants.
You take a breath and begin trying to kiss each part of her monster of a cock in turn.
"Mmm," she half moans. Her shaft bobs silently in front of you. You begin caressing it once more, this time sending one hand to explore her balls and the feminine slit beyond. She squirms under your touch as you kiss her shaft, up one side and down the other.
"Please," she whispers, and you oblige before she can say more. You slide your mouth along her shaft until you are at her head and then, after a moment's pause, you pull the head into your mouth.
She emits a gutteral noise, her legs shaking for a moment as she feels your mouth around her head for the first time. When you begin to lick her legs almost give out with each circle of your tongue.
"Oh, gods, yes," she says, "Don't stop."
You tickle her urethra with your tongue and her slit with your finger at the same time and she shudders, humping at your mouth slightly. You pull back just long enough to smile at her and say, "Get ready," before sucking in as much of her comically oversized shaft as you can. It's a struggle but you manage to get about a fourth of it into your mouth.
She almost, but not quite, collapses under the **** of pleasure. She grabs onto the railing at the top of the stairs and hangs on for dear life as you give her the first blowjob she's ever had.
It doesn't take more than a few minutes before her moans become louder and higher. "Oh, god"s are replaced with "Oh, fuck!"s and her legs support less and less of her weight until she he screaming at you not to stop, clutching at the railing and quivering. Your fingers fly in and out of her tight wet slit. Your mouth pistons back and forth on her cock.
Finally, you slip your pinky into her tight backdoor and she cries out. Her womanhood clamps down around your fingers and you feel a spasm in her cock. You have less than a second to respond.