Jodee had let go of Brian as soon as he’d started spurting, obviously afraid of getting some on her, but her mouth was slightly open in lust. Amber had a huge smile on her face, her nipples as hard as ever.

Brian was panting and looking at Charlotte with a grin. Charlotte grinned back, kissing him, her hand still catching sperm with the tp.

“I’m not sure what you girls in the back find so fascinating, but if it keeps your attention that well I should bring it in front of my classes.”

This was also Mr. Hansen, of course. Amber, Jodee and Shelly all jumped, trying to pull down their bras and shirts as unobtrusively as possible. As it was, Charlotte could tell that Shelly had failed in her effort. Her bra was bunched strangely under her shirt.

Charlotte pulled her goopy hand away and Brian started to hike up his underwear and pants, looking panicked.

“I know I would be more interested in orchestra if Brian would do that for us every day,” Jodee said quietly, and she, Amber and Shelly all giggled.

“Crap, what do I do with this?” Charlotte asked, holding out the toilet paper. She was starting to panic. She was still topless, and she now was so scared that goosebumps covered her flesh. Her nipples were stiff mounds on top of the soft flesh of her breasts. They trembled a bit as she shook.

Suddenly, an arm shot back to her. Without thinking, she handed the tp to Amber.

“Hurry!” the other girl whispered. “He’s coming!”

Suddenly, Charlotte remembered that Mr. Hanson would pace the aisle as he spoke, giving announcements, as he did now. She looked up to Brian in panic. Her heart leapt in her chest as she saw him proffering his coat out to her. His eyes told her how fast she needed to be.

Slipping on the coat backward, so the back covered her entire front, she leapt up and onto the seat next to Brian, scooting her bra and shirt under her seat with a trembling foot.

Looking up, she smiled at Mr. Hansen, who smiled back.

“Are you cold?” Mr. Hansen asked, not using the mic.

“Y… Yeah… I was just looking for this coat down there.” Charlotte said weakly. Then she shrugged, giggling. “Found it.”

As the teacher turned around and started giving instructions again, Amber turned around and showed the toilet paper glob in her hand, a look of “oh my gosh” on her face. Charlotte didn’t know what she did with the thing when she turned back around. Jodee and Shelly were both trying their hardest not laugh. Brian had his hand on her knee, obviously trying to be a comfort.

Completely enervated by Brian’s coat rubbing against her bare nipples, Charlotte giggled again and looked over to her boyfriend. His hair was a mess and his glasses were askew, but he was the hottest looking guy Charlotte had ever seen.

Quickly, she grabbed her pillow and set it across both of their laps. Then, as clandestine as she could manage, she nudged Brian’s hand up her thigh to her crotch. When he didn’t do anything, she elbowed him in the side.

“Right now? He’s coming back!”

“Then hurry!”

It was all the prompting he needed. With one quick move, he stuck his hand down her shorts and put a finger up her pussy. Singing a soft, high pitch note, Charlotte smiled at Brian.

He wasn’t really in the right position to be fingering her, but the very fact that she was on a bus, virtually topless, with a hot guy doing his best to pleasure her, made her as wet as she’d been the night before. As Mr. Hansen approached again, concluding his announcements, Brian sped up his fingering. Biting her lip, Charlotte smiled at the teacher, trying to look casual. He just smiled back and turned around.

As Charlotte slowly began to come to her climax, she noticed that Las Vegas was fully visible outside of the window. Figuring that no one would have a reason to come back there, Charlotte slouched down and let Brian’s jacket slip off of her arms to the floor, exposing her chest fully. She also moved the pillow.

Amber looked back at them to say something and froze with her mouth open in mid-word. She then smiled.

“You two are so hot together. We all need to hang out more!” Her smile broadened as she held up the semen-filled toilet paper. “In the meantime, I’m keeping this as a souvenir.” Instead of turning back around, she continued to watch.

Brian and Charlotte both laughed, and Charlotte felt an orgasm building. Jodee was busy getting her things ready, but Shelly was staring at them again, a silly grin on her face.

When Charlotte looked out the window again, she was surprised to see a minivan passing them a few lanes over. In it, she could see three boys and a girl, all staring at her. The oldest, one of the boys, looked to be about her brother, Tim’s age. Sunlight spilled into the bus, illuminating her skin perfectly for the onlookers. The window was just the right height for them to see her shoulders and breasts.

Smiling broadly, she waved at the gawkers, somehow thrilled to realize that the minivan was passing by very slowly. One of the boys waved back and the girl pointed, covering her hand as she giggled.

Charlotte arched her back, looking back at Brian, who was staring at the scene unfold before him with a dazed look while he rubbed her pussy.

“I think I just realized that I’m an exhibitionist,” Charlotte said, moaning with pleasure.

“Ya think?” Amber and Brian both said at once. They all laughed.

“It’s okay,” Brian said. “Anyway, I’m okay with it if you’re okay with me being one, too.”

“Mmm… that turns me on so much.”

The oldest boy in the minivan was craning his neck to be able to see her out the back window, his sister joining him. She waved again as they went out of view.

“Holy crap, hurry!” Amber said, laughing as the bus got on an off-ramp. “We’re going to be stopping like any second now.”

“Brian, show me yourself again. Please, just really quick.” Charlotte was on the verge of cumming, but found that she needed some inspiration just like Brian had.

Without arguing, he unzipped and fished around in his pants with his free hand. When it came out, it was holding his penis, hard yet again. Charlotte grabbed hold of it.

It was enough. As Amber, Jodee and Shelly all sighed in jealousy and desire, Charlotte spasmed. Brian reached over, probably belatedly, and grasped her left nipple in his right hand, twisting slightly. For a while, they stayed like that, his finger in and on her pussy and nipple, her hand holding onto his dick, their three friends watching in awe.

Finally, the orgasm died down and Charlotte came back to herself. Outside, the traffic had picked up and she’d probably given dozens of people a nice view. She squeezed Brian’s penis one more time. Reaching under her seat, she brought up her shirt and bra, just in time to realize that they were parking. Slipping the shirt hastily over her torso, she handed Brian the bra.

“This is YOUR souvenir.”

“But… I don’t have anything to give you,” he said, sounding genuinely upset. Still, he folded up the bra and put it in a pocket.

She pointed at the crusting glob of semen on her arm. “You gave me this. Not to mention everything that… you know… went inside.”

Charlotte had never walked around public without a bra on, unless you could count being in a bathing suit. It was invigorating, even though no one but those who had joined their little escapade had seen her. Brian was right behind her.

When they got up to the front of the bus, Charlotte remembered that the driver had seen them the night before. She wasn’t too worried that they’d get in trouble, of course. If the bus driver was going to bust them, she would have told Mr. Hansen a while ago and he wouldn’t have waited to scold them… or worse.

As Charlotte stepped up, the blonde woman looked at her and smiled.

“I’m glad you had a nice ride. Please cum again.”

Amber, who was right in front of Charlotte started to laugh uncontrollably, and so did Brian.

Since they were the last ones on the bus, when the driver motioned them to wait a moment, they did. She pointed to one of the many displays on her dash. One was a little monitor. The driver pushed a button a few times and then pointed at the screen. There, Charlotte saw a very clear view of the entire back seat. Swallowing, she looked back at the woman, her face draining of color.

“Yes, I saw EVERYTHING. This was probably the best drive of my career, thanks to you all. And it’s even better since the whole thing was recorded.”

“Oooo…” Amber said, her smile growing. “Can you send me a copy?!”

After exchanging email addresses and Amber promising to give Charlotte and Brian copies, too, they exited the bus, Brian bringing up the rear. As the bus pulled away, Charlotte found herself a little melancholy. Was it possible that nothing like this would ever happen again? In a way, it wouldn’t, because it would never be her first time again.

Then again… there was always her brother Tim. And Amber, Jodee and especially Shelly, all seemed eager to join in this kind of fun. She couldn’t forget about her sister, Rachel, either, who was already budding into a little lady.

With resolution to continue where they’d left off, Charlotte took her new boyfriend’s hand and walked with him down the street, her new-found freedom coming from more than just her braless chest.