Chapter 135 "Why Are You Eating MY Popcorn?"

Alan was slumped in his seat, so overwhelmed that he appeared nearly comatose.

But Katherine was bubbly with excitement and whispered to him, "Big Brother, did you enjoy that as much as I did? I think so!" She giggled, completely forgetting that she shouldn't use the word "brother."

She went on, "I think we've got a really good thing going here. The only way you're NOT gonna find my face lapping and sucking in your lap every hour of the day from now on is if you wear some kind of metal underwear. The only thing that bums me out is the thought of all that cum that you must have spilled into hankies and whatnot over the years. But you know what's cool? Our bedrooms are right across the hall from each other! How would you like to wake up in the middle of the night some night and find me nibbling on your knob? What do you think of THAT?!"

She gave him an encouraging nudge.

However, Alan WAS nearly comatose. He mumbled, "Please, no more sexy. ... Too sexy..."

She just giggled, proud of how much she'd overwhelmed him with an orgasm he would never forget. For the next few minutes, she spent her time scooping up gobs of cum from her face and then licking them off her fingers.

He eventually revived enough to open his eyes and watch her do that.

"Hey! Check it out! Look how spermy you are!"

He gawked at the cum she had on her sticky fingers. Then his eyes practically popped out of his face when he saw her sensuously lick her fingers clean.

He immediately began to get aroused again, though more mentally than physically since his dick was still too sensitive to grow erect.

He thought, What is it about seeing my cum on someone's face that's such a turn-on? I don't know; I only know that I like it. And if Sis is at all serious with her mumblings, it looks like I could be seeing a lot more of that in the near future. Dang!

But at the same time, now that Alan had cum, the post-orgasmic let-down started to hit him. He suddenly got very self-conscious and worried. He whispered, "Sis, I loved that so much. Thanks. But just look at you, with cum all over your face! What little there is to your top is open, leaving you exposed. We're in a public theater, for crying out loud. What if someone sees you now?"

"If it's a female, then I'll have to tell her, 'So sorry, but I'm not sharing,'" she giggled. "Or would you like it if I shared? I aim to please. Hey! Why don't we invite Christine along next time? I can show her some cocksucking tricks and we can practice on you together."

He just groaned. His sister was so constantly arousing that he couldn't take it.

"Don't worry. It's plenty dark and we're far from the aisle."

He fretted nervously, and made her at least thoroughly clean off her face. So she wiped it, putting all his cum in her mouth.

She tried to stall for time so she could get maximal enjoyment out of each gob of cum, swirling it around in her mouth as if tasting a fine wine, but she eventually got it all. Once she finally finished cleaning off the last of his seed, she whispered, "So did you like that?"

"Are you kidding? That was great. Except for the fact that it was in a movie theater. I was scared out of my mind. I still am!"

"Oh, come on. You know it turned you on - the fact that you're doing it out in the open with a girl. And not just any girl, but with your sister." She whispered the last two words directly into his ear, both for security and for effect. Then, since her mouth was up against his ear, she started to lick it.

Alan discovered for the first time just what an erogenous zone the ear could be.

But as good as she was making him feel, he just sat there tightly gripping the armrests of his chair. Mostly, he was just trying to hang on for dear life, as if he were riding the most extreme amusement park ride.

She eventually whispered to him, "Are you going to play with my tits already, or what? This is supposed to be an interactive activity, you know."

"Oh right. Sorry." He had to force himself to snap out of his blissful daze. He caressed her tits with both hands and devoted all of his attention to them as she continued to lick his ear and nibble at his neck. Neither of them paid any attention to the movie.

After a while, she pulled back from him and said, "Since you're so worried about getting caught, I think it's time to show you the popcorn trick. Poke a hole in the bottom of the popcorn box, then stick your dick through it. Then I can reach in and grab it like I'm grabbing popcorn. People won't know what we're REALLY doing."

"You know, it takes a while for a guy to get hard again," Alan pointed out, but in fact he had just become hard again without realizing it - Katherine was simply too sexy to resist.

She just pointed at his crotch and giggled.

"Oh. Yeah." So he made a hole and placed the box over his boner.

Soon she was vigorously rubbing his dick through all the buttery popcorn. With her free hand, she reached into his popcorn container and began to eat some of the popcorn. "Mmmm, I don't think I'm ever gonna think of popcorn in the same way again," she whispered between mouthfuls.

"Why are you eating MY popcorn?" he whispered back. "What's your extra large popcorn for? Isn't this suspicious-looking?"

"My popcorn is 'cos the trick can work both ways." She pulled her short miniskirt up and exposed her pussy to Alan's eyes. Then she placed her popcorn between her thighs and poked a big hole in the side by her crotch. She scooted her butt all the way forward in her chair and leaned back.

"Now, you stick your hand in my popcorn, and find a special surprise near the bottom. It's just like Cracker Jack!" She now used her free hand, which she'd been using to eat his popcorn, to guide his hand through the hole. "And now it looks like we're two kids on a date, with you eating my popcorn and me eating yours, like how people do with wine glasses. So we've got an alibi."

"Most teenage girls on dates don't sit topless in a movie theater," Alan pointed out.

She answered saucily, "Hey, I'm not actually completely topless; I just don't believe in using all the buttons." She giggled. "Anyway... You're familiar enough with my pussy by now; what are you waiting for? I think you know what to do."

Alan reached into the popcorn and quickly found her crotch. He tenderly rubbed her pubic hair, but stopped at just that for a minute or so.

Then he said, embarrassed, "Actually, you may find this hard to believe, but this is the first time I've had the opportunity to, you know ... put a finger in. With any woman." He gathered up his nerve and stuck his finger into her slit.

"Really?" Katherine asked, surprised. "Oh! Right there!" she said in response to his finger action. "Those two old broads don't know how to have a good time? Don't worry; you can practice on me anytime you want. It feels great already!"

Alan joked, "It's quite the popular place for fingers to linger lately, isn't it? Did you like it when Kim did it to you?"

"I've never done anything with a woman before. You know how I was, a few weeks ago. But I think we don't want to end Kim's blackmailing TOO soon. She seems nice at heart; it's Heather I'm afraid of. Kim's fingers definitely get me off, I have to admit. But not as much as you. Oooh! Oh! Like that!" she cried, but still their voices were no louder than whispers.

Both of them grew closer to climax. Her exposed chest heaved in time to his rhythmic probing.

"I'm about to shoot," said Alan. "What do I do?" His prick was still surrounded by popcorn.

"Just do it in the popcorn, Big Cream-filled Brother. There's enough to stop it from flying out. But be quiet about it!"

"Okay, Sis," he whispered. In their excitement they completely forgot about not using words like "Brother" and "Sis."

They both came rather unexpectedly. Alan's semen shot into the popcorn. Fortunately, given his low level of control, none missed the container.

Katherine practically flew out of her seat, and just managed to prevent herself from screaming.

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