Bitch na Inane-sama

The main character of the hentai is an ordinary office worker without a personal life who lives in a small apartment with her younger brother. Once, while cleaning, she stumbled upon anal porn, which, apparently, her brother carefully hid. Curiosity overpowered her and our heroine began to watch a depraved video. Soon after, the heroine became obsessed with the idea of anal sex and the only one she could count on was her own brother…