You Deliver the Goods

You shot rope after rope of cum into the glass. It took a minute to catch your breath before shutting the laptop, wiping the tip of your tool with a nearby tissue, and tucking back into your pants. You strode into the living room, mixing the now-potent shake on the way.

"Is that it?" Jen asked. "The...stuff is in there?" It was kind of cute to see her dance around the topic.

"This is it," you replied, holding out the glass. "Cheers!"

She ran up, snatched the drink away, and started chugging like her throat was on fire. You were used to seeing people with The Need behave violently at times, but it was strange to see this forcefulness from your sister.

As Jen gulped down the protein and cum cocktail, you could see the tension ebbing away. You could also see her tongue dart hungrily anytime a sip left some on her lips. And every time it did, your thoughts drifted back to the fantasy you were concocting in the other room.

Soon enough, you were building up some tension of your own, and you sat down on the arm of the couch to hide it.

Jen finished the shake, licking the glass for the last traces of what was to become her regular medicine. She turned to you with big eyes, barely managing a swirl of emotions.

“John... I...”