This is a mind control, brother sister incest story told from 3rd person limited. If incest, mind control, or any of the tags aren't your thing, please read something else.
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Hannah looked up at her brother, "You haven't beaten me once, ya know? I'm undefeated."
Hannah saw her brother's brow furrow for a split second before he replied, "Part of me thinks you're the real winner here."
"Part of you? You mean all of you? Not only have I always fucking won, you haven't even scored a point!" Hannah teased.
"I hadn't realized we were playing for points," replied John.
Hannah frowned at her brother, "You know what I mean! You haven't tricked me once. You haven't fooled me or snuck anything past me."
Her brother looked down towards his feet, then to her face her quizzically, as if ashamed of losing, "Not one? Surely I've gotten at least one thing past you?"
"Nope, not one. Not on a single. fucking. thing," Hannah replied with pride.
"Awwww, and here I thought I was gonna get somewhere," He said with a sigh as he looked down into his lap.
"You know why, right? I mean, other than that I'm obviously smarter than you."
"Why?"
"For starters, you don't know how to push my buttons like Madison does. She knows what tempts me, and she at least attempts subterfuge, unlike you."
"I'm as blunt as a brick. What can I do?"
"You could do so much if you tried," the thought sent a shiver through Hannah, "Use your imagination. I give you a magic fucking mind controlling crystal to use on me over and over and you've done fucking nothing with it. The most you've attempted is to convince me to clean your bedroom while wearing pants, and I saw through that in a heartbeat."
"Sure. You did."
"The point is that this isn't even good practice. Madison would be busy tricking me into being a slut, meanwhile you're what? Still trying to hypnotize me to clean things? You need to do more to me."
"Oh, you want me to make you do even more now? Is that it?"
"Even more? You're not doing 'even' to begin with? Damn right I want more!" Hannah glared up at John, "You're not pushing me! You're not even trying to. I keep telling you that Madison would have me wrapped around her finger and dripping like a bitch in heat, but you don't really get it, do you?"
John looked perplexed, "Is that why you're mad at me? Cause I'm not pushing you sexually enough?"
"Duh! It's so obvious you aren't even trying?"
"The fuck you mean, I'm 'not even trying!?'"
"Oof. I guess if you knew how to try, I wouldn't need to explain this to you."
"What--"
Hannah cut him off, "Nuh-uh! I'm going to explain and you're going to listen. The first thing I want you to do is look at me. What am I doing? What am I wearing?"
"Well, you're kneeling in front of me with your hand in my lap, and you're wearing a blouse, and a plaid skirt."
"Right. I am on my knees stroking your cock like a normal innocent sister. But Madison wouldn't have me doing normal innocent sister things to you now, would she? She'd be pushing me and pressing my buttons to make me a submissive needy fuckpet/whore. But if you knew what that meant, I wouldn't need to explain like this. But what else am I wearing?"
"I don't know, a bra?"
"Yes! And?"
"Makeup?"
"Panties you idiot! Look, maybe you can't see. Here, I'll show you." Hannah scooted forward and lifted her skirt. "See how I have these kinda see-through lacy panties on?"
"Yeah?"
"Can you see my pussy?" Hannah pressed the panties into her pussy and made a gentle swirling motion with one hand while her other hand continued to slowly stroke her brother's cock.
"No."
"What about my asshole?"
"Not from this angle."
"Not from any angle!"
"Right..."
"So what kind of frigid prude wears panties? Let alone panties that cover both her pussy and asshole? Like how is everyone going to be able to bend me over and fuck me whenever they want if I'm wearing panties covering my pussy AND my asshole? This is as dumb as your idea you could trick me into wearing pants."
"Uhh-"
"So Madison wouldn't let me have these panties covering my wet pussy like a fucking prude! Like, even if you're not going to have them stuffed in my mouth while you pound my asshole until I cum without even being allowed to touch my pussy, the least you can do is not have me wearing them like a prude." Hannah stopped rubbing her pussy through her panties and slid them down her legs before casually flicking them to the other side of the room.
"Madison would do this to you?"
"Oh she'd do more than that! She'd probably have a buttplug in my ass or a little remote controlled vibrator in my pussy to test my resolve and then seduce me with something oh-so-naughty. But we're just covering the basics. So skirt. If I bend over on all 4s facing away from you like this, what can you see peaking out underneath?"
"The bottom of your ass."
"But not my pussy? Not without moving anyway?"
"No."
"If I wanted you to see my pussy, I'd have to pull it up like this? Can you see my wet pussy now?" Hannah wiggled her hips seductively.
"Yeah."
"So if I'm wearing this skirt and I'm bent over and yearning for that thick cock of yours to fill my wet needy pussy, one of us needs to adjust my skirt if you want to see your cock enter my pussy?"
"I guess"
"You see how that's a problem? And we haven't even talked about my asshole. I need to pull this skirt up this far before you can see my asshole."
"I-" Hannah cut her brother off before he could finish.
"It's okay. I know I was asking a lot of you, and I can't expect you to just immediately know how to push my buttons the way Madison might. So if I want you to really test me so I can get good at resisting, I'll need to help you do that. No one's perfect the first time they do anything. We can go over the more advanced things later, let's just stick to the basics for now. Bra and Blouse. Look at them. Can you see my nipples?"
"No."
"No, you fucking can't! You think Madison would have me walking around with my nipples hidden like a prude. And here," Hannah grabbed John's hands, "Put your hands on my tits. Squeeze them. Try to tug on my nipples. Fucking try. You can't cause I'm in this bra. Madison wouldn't let me embrace my prudish side by wearing a bra, let alone a bra that covers my fucking nipples to the point where no one can see or tug on them to make me weak and needy."
John squeezed Hannah's tits as she unbuttoned her blouse.
"Here," Hannah said as she stood up and then sat on John's lap, "Could you please help me out of my bra?" She grinded against his clothed cock as she presented the back to him. She knew if she was going to try to educate him, she better keep appeasing her arousal so she didn't distract him.
With Hannah grinding on his cock, it took John a few seconds to unclasp. "Done!" declared John.
Hannah threw her bra against the wall. As she grinded her ass against his cock, she said, "Now I need you to understand the difference between free tits and bra-imprisoned tits and what that does to me. Grab my tits with both hands, squeeze them gently. Good. Now tug on my nipples. Yes! Like that! You feel how hard my nipples are getting?"
"I think they were already hard."
"Whatever! The point is for you to understand what this does to my pussy. Here! Give me your hand. Feel that! Feel my aching pussy. You feel how it's wet and warm and just begging for your cock inside it. Now that's something sister's don't normally do- not without some form of pregnancy prevention anyway. So Madison might try to get me to let your hot cum fill my unprotected pussy. That's why we need to keep practicing and you need to really test me. Because Madison is cleverer than us and I'll need to spot it if she tries to pull one over me. Fortunately I've been lucky and have prevented myself from doing anything unusual."