Put your all into it

You lower yourself in front of Xyryx, and when the signal is given, you dive in with gusto. You run your tongue up her labia, delivering a kiss to her clit as you reach it.

As your mouth works hard, your arms encircle her waist, where the humanoid and arachnoid parts meet, holding you up as you extend your legs underneath her. Obstructed by your overfilled womb, you find it difficult to identify your target as you reach a leg up and trail it gently across her underside.

Then you find it.

Near the back of her spider body is a narrow slit. You carefully push your toes into the tight gap, and start to slowly slide your foot along the length of it.

Xyryx's moans, already significant due to your efforts with your mouth, rapidly grow far stronger.

Your foot is suddenly ejected from the slit, pushed by a rapidly extending ovipositor. Taking a deep breath, you bring your other leg up, gripping the thick shaft with both feet. You are now hanging underneath her, supporting the full weight of yourself and Mistress's eggs with just your arms and the tenuous grip of your feet. You won't be able to to keep this up for long.

You redouble your oral efforts, and start to pump your legs in and out, sliding your feet along the length of the ovipositor.

Xyryx lets out a loud scream as your face is drenched with her juices. A spray of liquid also hits your nethers, shot from her ovipositor as she came. As the orgasm subsides, you drop your feet back down and gently pull your face out of her muff, before collapsing to the web beneath her, panting.

Once you have caught your breath, you check to see how Kella is doing with Mistress. Mistress looks unimpressed, but is breathing more heavily and quickly than normal.

As Xyryx recovers from her own orgasm, she walks over, looking annoyed. "Broodslave, if you do not finish her off soon, a pain rod is in your future." Kella visibly panics, trying to speed up. "I am going to get one now. If Flixa has not orgasmed before I return with it, I will insert it immediately."

Kella's panicked attempts to speed up do not seem to be particularly focused, and you can tell that it won't be enough.

Xyryx returns holding a metal rod engraved with black runes. You don't get much of a look at it before she reaches down and slides it up between Kella's legs.

Mistress looks up at Xyryx. "May I?"

Xyryx sighs. "By all means."

One of Mistress's front legs whips forward, kicking Kella out of the way. "Finish me off, Broodslave," she says, gesturing towards her damp folds.

=======

Once you have finished tending to your Mistress, Xyryx hands over the money. "I am sorry about my useless ****, Flixa," she apologises. "Yours was so good that I would offer you five-hundred gold pieces to swap, but I honestly think that would still be rip-"

Kella crumples next to her with an agonised scream. Xyryx's hand snaps out and smacks her buttock. "Stand up, you useless bitch. You will be keeping that rod in until you can take it triggering without reacting." She turns back to Mistress, "Ripping you off."

"Why not just make her an incubator and be done with it?" asks Mistress.

"I am considering it. The look on her face as I took her virginity with my ovipositor has earned her a few weeks to gain experience, but if she does not improve, it will be decorating that tree over there."

"Good," says Mistress. "That is about all it is good for at the moment."

=======

"Excellent work, Tarissa," Mistress says as she leads you home.

"Thank you, Mistress."

"I saw what you were doing with your feet, and believe me I want to experience that for myself. However, I also saw how much it took out of you. As a reward for your efforts, I will weave you a harness which you can lie in underneath me without having to support your weight."

"Thank you, Mistress," you repeat, knowing that is the only acceptable response to something described as a reward.

"Once we polish up your skills, I might even consider entering you in a **** competition. How does that sound?"

"Wonderful, Mistress."

"Now, once we get home, you are to go and prepare dinner for yourself, and then feed the incubators."