Hell no

Maybe it's not the best trait, but I'm a pretty traditional guy when it comes to women. Including my sister. I took pride in her being respectable on stream and not a camwhore. I lost my cool and grabbed her wrist now, yanking her up from the computer chair. Her naked body flailed as she involuntarily came across the room with me.

"No Cassidy," I said, using her full name and having a stern tone in my voice, "You're not going to show your shaved twat to the internet. I won't allow my sister to do that."

Normally I'm kind of a weenie, I know, and I let Cassie get away with everything. But that's because she was just doing harmless nonsense before. Nobody would ever know about our comedy in the shower. If she streamed naked, someone would record it and put it on the porn sites, and it would follow her for the rest of her life. Plus, she'd just never respect herself again if she did something like that.

"You have a skill, you have talent," I said, ranting angrily as I pulled her naked body over to her bed, "You don't need to spread your legs to make money like a common whore."

"I can do what I want, Mike!" she said, sounding sobered up a little now but no less spiteful and impudent. I kept pulling and my sister had **** but to wobble across the room following me, totally naked with her shaved twat.

I sat on her bed and made her lay face down across my lap. She was wiggling and trying to resist but she's half my weight and a girl. She wasn't going to get up unless I let her.

"You've got a good path, Cassie. I just have to save you from your own stupidity, you brat," I said.

She got quiet. I think she realized from the tone in my voice that I was very serious. I took stock of the situation. My sister was naked in my lap at four in the morning. I could let her go, beg forgiveness, and things might go back to normal. But if I did that, I knew that soon she'd be a camwhore, or fucking guys from the club, or switching to **** harder than pot. Or all three.

I wasn't going to let that happen.

I raised my hand and spanked Cassidy's bare ass hard. She got real still and for a once didn't say anything sassy. I'd finally shut her up. I raised my hand and spanked her butt again. Her skin was flat under my hand as it rested on her butt. I raised my arm and could see my red handprint on her white ass cheek.

"Not so bratty are you know, huh?" I kept spanking her hard, my large hand making contact again and again with her tomboy ass. Slap, slap, slap. It was so loud it hurt my ears. Cassie was a tomboy who'd played sports, and while she wasn't fat, she was definitely on the curvy side and not some anorexic bitch that would break in two. She could take a lot.

Still, I heard her sniffling softly under me, fighting back tears. I felt all her weight on my legs, saw her red hair dangling down to the floor. She was limp now, having given up on resisting. She felt very frail and feminine in this position. I spanked her again, the sound of my hand slapping her ass filling the room so loud it echoed.

Cassie sobbed now, a primal wail I'd never heard her make before. "I'm sorry I tried to be a camwhore!" she yelled out through her tears, her voice raw and emotional, "I'm a dirty perverted girl!"

"You should be sorry," I said, still feeling righteously angry, and gave her ass one last powerful spank. She went limp under me and I stroked her hair. She breathed in and out huge breaths slowly. Her ass was bright read now and I ran my fingers over the skin where I'd spanked her so hard.

Once she stopped crying, I helped her walk numbly to the bathroom sink. Her makeup was smeared where she'd been sobbing and I gently washed her face clean. She was standing naked, looking at me in the mirror. She brushed her teeth, seeming sober now, and I walked her to her bed and tucked her in. I leaned over and kissed her forehead. "Goodnight, Cassie."

I turned out the light and stood just outside the door, watching her from the hallway. I was starting to realize that I'd done something quite **** and was probably going to regret this, but I wanted to make sure Cassie was okay. I heard something and thought she was crying again. I listened closer in concern and realized she was moaning softly. I could see the comforter over her body moving right in the middle of the bed.

Cassidy was masturbating.

I blushed, turned, and darted back to my bedroom. I closed the door.