When it had all ended and he calmed down a bit, he whispered apologetically again, "Sorry! Normally I'm not like this."
She joked, "What? You mean you don't normally spray your seed all over girls you hardly know while your sister is jacking you off in a supply closet in the middle of school?"
Alan just nodded grimly. He was too worried about getting caught to laugh. He didn't know which frazzled him more: Kim talking about what she knew, or someone outside coming in and finding them. He closed his eyes and thought, I just have to trust that things are gonna be okay. Because what can I do now?
Kim went on, "I hope this isn't normal, 'cos you two are like walking orgasms. Every second I've seen you two together, you've been horny and just getting hornier and hornier. It's too much for a little girl like me to take!" She reached down and scooped some of his cum off her leg.
Alan was embarrassed at being so horny about his sister in Kim's presence, but Katherine wasn't. She just winked and said, "You go, girl! Give it a taste. It's surprisingly sweet."
"So this is what semen is, huh?" Kim said as she put it up to her mouth. "I'll have to try some new things if I have any hope of keeping up with you two. I had a boyfriend or two but I never let them get far. I guess it was just for show as a cover for my liking girls..."
She put the cum in her mouth, and contemplated the taste. "Not bad. Not bad at all. Does all semen taste like this, Katherine?"
"No, his is very special. And I'm not just saying that because I'm hopelessly biased, really. His is the only semen I've tried personally, but a woman who has fucked dozens of men said his was the best she'd ever tasted, hands down."
"Oooh! There's another girl involved? Do I know her? What's she like?" Kim assumed that it was a girl close to Alan's age.
Alan replied vaguely, "She's very pretty. Very sexual. Talented, too." He looked at Katherine and hoped she got the message not to be any more specific than that. As far as Alan was concerned, Kim knew way too much already.
Kim just nodded as she thought about that. She noticed that Katherine didn't disagree with what he was saying. She was intrigued that she didn't seem to react with jealousy while watching Kim eat Alan's cum or by this veiled talk of another woman.
In fact, right then Katherine suggested to Kim, "You've got to try some more. Why don't you drink it straight from the source?"
Alan had been cleaning his hands with a moist towelette he'd had the foresight to bring. He would have offered it to Kim to clean her leg, but she seemed to prefer consuming his cum instead, and of course he loved seeing that. He froze in his cleaning effort as the implications of Katherine's mention of "a woman who has fucked dozens of men said his was the best she'd ever tasted, hands down" finally hit him. He said in an incredulous tone, "Katherine! You've been talking to-"
He was about to say Aunt Suzy, but cut himself off at the last second as he remembered it was better for Kim not to know specific names. He continued less frantically, "You've been talking to her about the taste of my cum?"
"You'd be surprised what we girls talk about sometimes," Katherine replied, sufficiently vaguely. She made a point to say girl to better mislead Kim about who it really was. (In truth, she hadn't really talked to Suzanne about Alan's cum, but she'd overheard Suzanne and Susan discussing how tasty it was.)
"Sounds like Alan is having all sorts of fun," Kim commented. "Was it Amy? I'll bet it's Amy."
Katherine and Alan looked at each other. Alan realized that since Kim and Amy were both cheerleaders, Kim would need to get clued in sooner or later. So he said, "I've seen Amy naked, and touched her and teased her a bit, but that's as far as it goes. She's so innocent, you know? To do more - it just wouldn't feel right. Kind of like stealing candy from a baby."
"Interesting," Kim said. "So who's the other mystery girl, then?"
Alan just answered, "Sorry, I can't kiss and tell."
So Kim changed the subject. "Why don't we get on with the painting, now that you two are done playing around? Or is touching my pussy going to make you lose it again, Alan?"
"No, I'm good. In fact, I can not only paint you..." - he began painting again and started on her front - "I can even do this at the same time." He began to finger Kim's slit with his free hand. "We need to make your pussy lips puff up as much as possible, so I can paint them completely."
After another minute of jilling her, he commented, "I wonder if Michelangelo ever had to do this, to finish one of his paintings." He was more relaxed now and wasn't whispering, though he did keep his voice down.
However, to Katherine's great disappointment, Alan's penis was still down for the count after he'd shot his seed. Since Katherine was already naked, she stood up and repositioned slightly until she was in full view of Alan and Kim in the very claustrophobic space. Then she began to finger herself while pinching one of her nipples as well.
Alan moved out to the way, allowing Kim to squat to see whether he'd gotten all the places that would be exposed by movement. This put Kim's face right in front of Katherine's crotch, to which she had no objection.
Kim said, "God, you two are nonstop sex addicts, and good at your school work to boot! Especially you, Alan. How do you do both?"
"I'm not a good student anymore," he replied ruefully. "I WAS up until a few weeks ago. That's when I began my descent into debauchery. Same with Katherine. If this keeps up, it's just a matter of time until we're both expelled or flunked out. God, just think if someone came into the supply room right now." He started to panic himself again. "Dang! I have no idea how frequently this room is used. It could be used all the time, and then they'd hear us in here! Look at how we look right now. What would we do if someone came in?!"
"Don't worry, Big Bro," Katherine said. "Between the three of us, we've got our bases covered. If it's a man, Kim and I fuck him in return for his silence, and if it's a woman, you do."
"Oh yeah, right. You're so sexed up you can't tell fantasy from reality. And what if it's, like, a gay man, or an old person, or something? Or two people? And even if your plan worked, what of the consequences? For starters, I wouldn't want a strange man to have sex with you. We've got to get our act together or we'll be in jail or something before long."
"All right, I admit we have to get our act together a bit," she conceded. "But today's been such a unique day. You know, you admitting that you're going to fuck me and all. And it's so cute that you're possessive of me!" she gushed happily.
He ignored her last comment, and said, "I haven't exactly agreed to that! I'm just saying..." He wasn't sure what he was saying, or what he'd agreed to. He felt like he was on a wild roller coaster ride, and he both hoped the ride would last forever and wanted to get off right away.
After a long pause, he said, "I'm thinking about the idea, okay? That's it." Deliberately and rapidly changing topics, he turned to Kim and said, "By the way, I'm done with the front now. Sorry, I'm going to have to stop fingering you. I like how you shaved, by the way. Is that new, for today?"
Kim answered, "I've shaved it before, a while back, but it's newly done for today. Hurry up and do that part so I can get my fingers back in there!"
"Sorry, bad news," he said. "You'll have to let it dry for at least the next twenty minutes."
Kim couldn't believe what she'd heard. "Oh yeah, like that'll ever happen, with you two carrying on just inches away from me!"
He said commandingly, "All right, we have to stop the hijinks, both of you. We're running out of time. I haven't even started painting my sister yet, and Kim's paint job has to dry."
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