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Sis was gone to university for two years to be a doctor. I was still at home being a bum. She decided to take one semester off to fill her bank user account up. It was stretching her resources.

She was still doing online stuff while she was doing a crap server job at Hooters. Sis was average looking but had big knockers. D cup I guess 38 D?

She was walking across the room one day with her tits bouncing and ugly orange shorts. I blurt out, holy fuck you’ve got great tits. Killer. She goes, I’m you’re sister. Shut up! I go. Okay fine. What droopy sacks of oatmeal!! Better? She goes fuck off and leaves.

I go for beers with the guys, not hooters. I get back late. I’m watching TV and she comes in. Her tits are bouncing even more. Hey sis. What’s up? Your tits are bouncing even crazier. She goes. Boss said ditch the bra. This is the result. I look like a stripper doctor for fuck sakes.

Next day she’s leaving for work. I’m kinda trying to not say anything. But! Hey sis. At least 38 D tits right? She goes, good guess. I say no panties either. The boss says no panty lines and maximum camel toe. Eww. I guess that explains the wet strip up the crack of your ass last night?! Fuck off!!

She comes home. This fucking job sucks. I’m a slut delivering beer and wings. I said, one with big tits and fleshy cameltoe. You she looks, what? You’re checking me out? I said no, you’re shoving your cunt in my face Deb. You walk by everyday with your tits flopping around and your pussy lips smiling in your orange shorts. It’s not like I’m checking you out.

I saw Deb the next day. She asks, this embarrassing but, I think it’s just elastic line irritation thing but I can’t get a cell phone photo to see for myself. Please take one for me. Aww man. Sis. Go to the clinic. I could but this is easier and cheaper just snap a photo.!

Okay. Deb gets on our dining room table and pulls her legs way back. Her ass is amazing. Her pussy too. For fun I said pull further. She pulls back. Her asshole is looking at me and her clit is falling out of her labia folds. Nice. I see the little area she’s concerned about. I asked. The red area by your clit? She goes yes! I said it must be infected. It smells terrible down here. She says fuck off and take the photo. I took it.

She comes and thanks me. Says it’s just a topical irritation from the Hooters shorts. Umm. Sis. Not sure this is your area of expertise but. My urine stream is kinda weak. It feels like it’s blocked. She says. Hmmmm. Does it hurt? No. Not at all. It just feels like it’s struggling to get out. She says. Any discharge? No. Then she jokes. Too much masturbating? I laughed. No. I can’t this is fucking that up.

She goes. Guys don’t like this but. Come with me and no whining. She says, pants and underwear off and get up on my bed and lay on your side. I said, really? Oh my god. She says only one way to rule things out. Get up and shut up.

I did it. She leaves and comes back with a tube of lube. I wondered oh man please no. I hear some rubber gloves going on then her rubbing lube on my ass. She says okay little brother, relax and push out. She shoves her finger in. Oh god!!. Sis goes what?!! I said, honestly, that feels great. She laughs. Yeah, it does. I know!! I said my balls are aching. She’s feeling around. I feel her it a spot and I let out s groan. She says. Yup. That’s your prostate. She kinda rubs that spot. I asked if that’s necessary. She says not at all! She keeps massaging it. I’m moaning like crazy. She says I can stop. I said no, keep checking. She stops and moves her mirror. It’s a wide full length mirror. She places it so I’m looking at it and I can see her behind me. She waves.

She goes back behind me. Now I can see her behind me. Sis. What’s up? She takes her shirt off and her tits plop out. Her finger goes back in my ass. She says. We need to unload you. You need a couple orgasms. We’ll try it this way first. She fingers me and I do orgasm. It’s small. She looks. Wow. Half what it should be. I hear her getting undressed. She pushes me on my back. When I look up my sister is naked and lowering herself onto my cock. She bottoms out and grunts. She says that she’s fixing two things. My swollen prostate and she needs to get laid. Any cock is good.

Deb starts rocking on me. She stops. You need to suck on my tits. Sex doesn’t work for me without nipple play. I suck Debs tits and she rides me. Not long into it I blow in her. She says good. A couple more. She waits for me to get hard and starts up again. She cums and is grinding my cock off. She says brother, you have a nice cock. Deb cums super hard and bites my ear. Oops sorry. As she’s cumming I blow another load. She goes. Nice work. How’s that feel? Good. Can I get on top? Sure. Or behind. Or both. No ass fucking tonight.

As I’m on top fucking her I say. So, doc. Am I cured? She says. I think so. I need to milk your balls for a few days to make sure, if that’s okay? Yup. That’s fine. Mom and dad get back Monday. She goes, I’ll cure you by Sunday. If not I’m only 100 miles away for treatments.

Nice doc.

NSFW: yes

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