I laid out on my bed and loaded the video on my iPad, got comfortable then once I was ready I put a little lube on my hand and began to slowly stroke my cock as I watched the movie. I never could make it to the end without cumming, hearing the noises from her pussy and her moans as she climaxed always set me off and I was already rock hard in anticipation of it.
Right as I got close though, Heather, my older sister, walked right into my room without knocking and after spotting what I was doing, froze with her eyes wide open and glued to my cock. I quickly threw the iPad on the bed, not thinking to close the movie and pulled my bunched up sheets over my body.
"What the fuck Heather, can't you knock?" I said.
"You're supposed to be at work, I needed to borrow your charger," she replied.
Right then, the video got to the climax, the girl moaning, her soft voice filled with lust "that's it, fill me with that big hard cock, fuck me baby, take my pussy...".
Heather's eyes narrowed and before I could move she quickly snatched up my iPad and looked at the screen. A few taps later and she just glared at me.
"This, and all the fucking pictures you have, were in a hidden folder on my computer. How the fuck did you get them?" She said, clearly pretty angry.
"You'd left it unlocked one time and I was looking for a picture you'd taken of me," I replied.
"So, you downloaded my personal pictures to jerk off to them?"
"Y... yes."
"Why the fuck are you home anyway?"
"It was quiet so I got sent home early."
Heather stood in front of me for what felt like forever, I'm sure it was just 30 seconds or so but she didn't say anything, she put the iPad back on my bed, took my phone charger and left the room. I quickly checked to see if she'd deleted them but they were all still there, a few minutes later I got a text from her.
"Have you shown them to anyone else, don't fucking lie to me."
"I swear I haven't."
"Why, there's so much porn online, why my pictures and that video?"
"You're so sexy, your pussy is the prettiest I've seen and your nipples are perfect Heather."
"I'm also your sister, you remember that part right?"
"Yes. I can't help that I like you so much."
"Me or my body."
"Both."
"I want payment for what you have."
"But I'm broke, I don't get paid for another week."
"I didn't say money, little brother. Turn your cam on, I want to see you cum."
I hadn't cum from my masturbation that morning but I had started to go soft and with my ipad camera trained on my cock I couldn't focus and couldn't get hard. Heather messaged me again.
"What's wrong?"
"I usually jerk off to your video, this is Mom's old iPad and it won't play anything at the same time as video chat."
"I'm coming in there to watch then."
"Wait, I can turn my laptop on."
"Fine, hurry up."
I think I had my laptop booted up and my ipad video playing in record time, Heather watched me on cam as I got hard then masturbated to her playing with her pussy. When it got to the point of her climax on the video, I came too and groaned in pleasure as my cum sprayed over my stomach and chest. I'd no sooner finished cumming when she messaged me again.
"Do you always cum that much?"
I wiped my hand on my towel and replied.
"Yes, but I played last night too so it's usually more. Are we done now?"
"For today, yes but you have a lot more to pay me back. I'll tell you what I want."
I got in my shower, almost embarrassed at what I'd just done but also stupidly turned on. The thoughts I'd been raised not to have, being told your sister is not to be objectified in a sexual manner only made it more desirable for me and I wanted more. I was semi hard thinking about the possibilities and the thought of jerking off for her again by the time I dried off and about jumped out my skin when Heather was sitting on my bed. Thankfully my robe hid my growing cock.
"Sorry, didn't mean to scare you. I don't think I need to remind you but this between us goes no further, you tell a living soul and I swear you'll regret it," she said sternly.
"I'd never do anything to hurt or embarrass you Heather, you don't need to threaten me," I replied.
"Well good."
"Are we done with it then?"
Heather just laughed.
"Not by a long shot little brother," she said then left my room.
The next day, the start of my regular days off, I showered and since it was raining I planned my day around just playing video games like usual. I hadn't even dressed when I got a message on my phone, 'I want to see you cum on cam again'. I sighed then set up my laptop, the iPad video beside it and waited for her to connect. After a few seconds though I heard a pretty loud "FUUUUUUUCK" coming from Heather's room. I threw on my robe and went to make sure she was okay.
"What's wrong?" I said, not knocking.
Heather was sitting on the edge of her bed, holding her laptop over the rug, it was dripping liquid.
"I spilled my fucking soda on my laptop trying to get comfortable, I forgot it was sitting there. There's no saving it this time either, I heard it spark."
"I can pull the hard drive for you, save your data."
"I bet you will little perv, you already have all my nudes," she said with a grin.
"I'm serious, I'll restore it to a new one for you."
"Well thank you. But it can wait, you still owe me and I need to get off."
I wondered what she meant, I figured she'd find another way to view me on cam but she put her laptop on the floor, dropped her own robe and got up onto the bed and sat resting against her pillows naked. I was in awe, her pictures and video were amazing but to see her breasts shake as she moved had my cock starting to grow. I froze, transfixed by her body.
"Hey, snap out of it, sit up here beside me, lose the robe," she said, patting the bed beside her.
I was already semi hard by the time I dropped my robe, I felt my heart pounding in my chest as I got up onto the bed. Heather opened her legs, draping one over mine and looked at me.
"What are you waiting for, long as you keep stroking you can touch them if you like."
I was shaking, my cock was throbbing and gently touching her breast felt electric. I slowly stroked my cock as I fondled her, I wanted it to last forever but when I looked down to see her fingering herself I knew I'd not last. Her hand was a blur, when I heard her moan softly I lost it and groaned as I erupted. Jets of cum spurted from my cock, the first one hit my chin but the second and 3rd splashed over Heather's stomach and breasts. She gasped as she came too, watching my cock as the last few spurts hit my own stomach.
"Th... that was so fucking hot. You're still hard!" gasped Heather, still catching her breath.
"Yea, I take ages to go down," I replied.
Heather gazed at my cock for a few more seconds then muttered 'fuck it' and in one quick move, she had mounted me, guiding my cock into her and impaling herself to the hilt. I inhaled sharply then groaned in pleasure as she began to slowly ride me.
"Wh... what are you do...oh fuck that feels so good..." I stammered.
"Your cock feels amazing, just enjoy this okay."
Being inside a woman's pussy felt more amazing than I had imagined. Until that moment I was a virgin, using hand cream or lube to try and imagine what it would be like. I had fantasized about fucking my own sister on many occasions, especially after finding her pictures but watching her breasts bounce as she rode my hard cock was like a dream. Heather started cumming again after a few minutes, I could feel her pussy tighten as each wave hit her and when she was almost done I came again, it shocked me, I'd never cum so soon after a climax and I almost roared as I pushed up into her, spraying my seed deep up inside her.
"Oh wow, again? That's fucking awesome," she said breathlessly as she kept riding.
Heather slowed down and eventually stopped, my cock finally started to soften inside her, she climbed off me and got a damp washrag from her bathroom and gently cleaned the juices from my cock. She then got back on the bed and just laid on my chest as she caught her breath and eventually kissed me on the cheek as she leaned on her elbow to talk to me.
"I hope you're not upset that I did that, I know jerking off for me and with me is one thing but we kinda crossed a pretty big line, well I guess I did. Are you okay with it?" she said softly.
"It was amazing Heather, I've fantasized about doing that for so long," I replied.
"How many women have you been with?"
"You were my first."
"Really? Wow, okay. I have to tell you something, I kinda have a problem, sex is like the only thing that keeps me level. They've tried drugs, toys and therapy but if I go too long without this I get pretty crazy. I don't care that you're my brother I really don't, I'm not your girlfriend but if you want to you can fuck me as much as you want. Same rules, don't tell anyone okay?"
"I think I'll probably like that a lot."
"Well good, try and be subtle about it though okay, no 'hey, wanna fuck' in front of Mom and Dad."
"How about, I'm going to read for a while if they're home."
"Sure, that will work. Holy shit, are you getting hard again?"
"I have a naked woman laying with her breasts touching me, it hurts a little but I could go again."
"You're big, you can take me from behind this time, I'm a little tender too."
Looking down at Heather's perfect ass as I held on to her hips, fucking her as hard as I could as she moaned and gasped with each thrust, will be a memory I'll probably cherish forever. I lasted for ages, my cock had a dull ache that kept me from cumming so quickly but when I did cum again, a few weak spurts of probably just fluid, I was exhausted and Heather was a grinning mess. We collapsed together in a heap and once I could breathe again she had me stand up and hold her.