SORA-633 Miu Aona -

I've been bullied by the delinquents in my class, and now they've even taken over my house! My older sister, who's always protected me since I was little, tried to chase them away, but instead angered them and raped me. Those guys covered my beautiful sister, whom I'm so proud of, in their semen and laughed at me. The nightmare didn't end after just one day. My house became their hangout, and my sister was turned into their obedient sex slave. At first, she resisted and desperately said no...