My bullied DQN took over my house, stayed overnight, and raped me! My big-breasted older sister with a strong sense of justice took my place and was gang-raped in a 4P. Seeing her depraved appearance, I couldn't help but get an erection. (SORA-633)

Bullied by the DQNs in my class, I've finally been taken over at home! My older sister, who's always protected me, tried to drive them away but instead angered them and was raped. Those guys mocked and defiled my proud, beautiful sister, leaving her covered in their semen. The nightmare didn't end there. My house became their stronghold, and my sister became their obedient sex toy. At first, she resisted and desperately hated it, but then she degenerated into a dazed, confused state! Driven by anger and jealousy, I couldn't control my grotesque erection…