Matt and Karen

"Now this is something I've been waiting for," Tanya announced. "Some of you don't know that the reason Archie hasn't grabbed Betty long ago is that... she's his sister. But now the two siblings are together on the stream. And my pussy is wet imagining what's going to happen."

"Mine too," Karen whispered. She wore her horse-riding tight jodphurs and a white blouse that hinted at the black bra underneath.

"It's hot having a brother who's popular with girls," Karen/Betty said when Tanya gave them the signal to start.

"Don't worry, Betty. You're pretty. You'll find a boyfriend in no time."

"Yeah, like Reggie or Moose? Come on, Archie, those guys are creeps."

"Not all guys are creeps."

"No. You're not. I want... I want to know about boys and girls but I don't want those creeps to show me."

"You could ask mom."

Karen fiddled with her blouse's top button. "I don't want to learn from mom. I want to learn from you."

"Oh. Betty, you know that's naughty."

She unbuttoned her top button and moved down to the next. "Maybe I want to be naughty, Archie. Maybe I need you to show me how."

"Okay, first challenge," Tanya said breathily. "Fifty tokens to get Betty's shirt off. One hundred for topless. Oops, it's topless time, Betty."

Karen made a production of removing first her blouse, then her black bra and Matt enjoyed every moment. Tanya had accused him of having a big boob fetish but Karen carried her B-cups with enough poise and confidence that he wouldn't want to swap them out even if he suddenly had enough money to pay for the surgery. She wiggled them in his face. "Don't you like them, brother? Veronica's are bigger. Is that why you prefer her to your sister?"

"Betty, you have fantastic breasts. It's just--"

"What? Does she put out? I've heard she's an ice princess... all tease and no delivery. I won't be a tease, Archie. With me, you'll get it all."

"Betty..."

"Do you want a lapdance, Archie? I can do that for you."

Without waiting for an answer, she stepped close to him and began grinding her body against his.

"What's it going to be, folks," Tanya said in a stage whisper. "Should Archie send her to her room without supper? Should he put her over his knee and give her a good spanking for being so naughty. And if he does, should he pull down her pants first so she'll really know who's master. Or should he grab onto that ass and those tits and really enjoy the show? Those are the challenges. Whichever gets two hundred first wins, with an extra two hundred for pants down. Of course, if Archie sends her to her room, he'll stay here and jack off so if that's what you vote for, that's what you'll get."

Predictably the winner was Betty over his knees, pants down.

Matt made sure to swat hard enough to leave Karen's buttocks pink as he gave her a hypocritical lecture about being a better person and a good sister.

When she got up after twenty spanks she looked at him. "I felt your dick, Archie. You can pretend you're not turned on by your sister but you can't fool me. Look at that ridge in your jeans. And brother, I want it. I want you to be the one to make me a woman. And I want it before you give it to Veronica or Mao or any of the others."

"Betty," he said. "Am I going to have to spank you again."

"You can spank me whenever you want, brother. Because I know it turns you on and I'll do anything to make you happy."

She kissed him on the lips and, despite himself and everyone watching, Matt instinctively grabbed her breasts as they kissed.

"Aaa...nd that's a wrap," Tanya announced. "Thank you for watching High School Hotties. Come back tomorrow, four o'clock Pacific, seven o'clock Eastern for the next episode. The bidding is going up. After that strong showing, Betty has slipped into a lead. I can't believe you guys aren't picking me. But it's not too late to correct your mistakes and vote for the most beautiful girl in Riverdale High. We'll rebroadcast today's stream for those who missed it... and our tip lines are always open." She flipped a switch.

"That was great, you guys. You're completely hot with the brother-sister thing although it's definitely a kinky take on the whole Riverdale genre. By the way, have you thought about whether we're going to get sued for this."

"I think it counts as fair use," Karen said. "Parody and all that."

"Yeah, maybe. I'd talk to my father but... I'm not talking to my father."

"Let's hope we don't need to bring in lawyers," Matt said. "Uh, Karen, shouldn't you put on some clothes."

"What, are you embarrassed to be seen with your sister now that you've got hot friends like Tanya and Natasha?"

He kissed her again. "I'll never be ashamed to be seen with you."

"Good. You'd better not change that?"