[UNCENSORED] IENF-368: Prank Turned Fleshly Encounter—Sister Locked Me in a Crab Hold as I Cummed Inside Her!

Even though we are brother and sister, I was so excited to see my sister so defenseless that I wondered if she was trying to seduce me! Even though I knew it was a lie, I just couldn’t resist… What! Was she really inviting me? Before I knew it, she was asking me to do it, and I couldn’t stop either… But it’s dangerous! We’re family after all! It’s dangerous to cum inside! Crab-claw lock! ?