I have a hikkikomori sister. She's holed up in her childhood room at our family home, spending all day reading manga, playing games, and surfing the net. My sister, who rarely leaves her room, will suddenly appear and then blush and run away... she's far from being ready to re-enter society. One night, I woke up feeling something strange in my crotch and noticed movement under the covers. When I lifted them, there was my sister with my huge dick in her mouth! "I can't take it anymore!" she shouted, unleashing years of pent-up sexual desire onto me! Despite her sloppy lifestyle, her sexy, big-breasted body made me instantly hard! Before I knew it, my huge dick was stuck inside her...
