Legal\Ask "Does it feel good knowing you'll die a bitch" and lunge at her with the knife
She screams as you cut open her cute little throat, she falls to the ground and you're now as hard as you could possibly get. You realize you just created another hole to fuck so you get completely naked and get ready to fuck her throat. She just takes her final breath as you plunged your cock straight into her. The blood acts as lube for your cock as you go in and out of her. The only sounds you can hear now are the thumping of your balls against what left of her throat she has. You revil in the sensations as you cum inside her wound, you keep spewing cum from your cock for at least 2 minutes, each rope going directly inside your little sister. You love the sensation and almost pass out from how good it feels. You look at your now softening penis now full of blood. Now you're alone in your once little sisters room with a doll to play with...