[Reducing Mosaic]PPPE-275 I made the big-breasted little sister, who I defeated in an erotic game, wear perverted cosplay and conquered her breasts, then went on a living penetration rampage

Film Introduction

Yuu, a NEET who doesn't fit into society, spends his days at home indulging in erotic games. Yuu, who wanted to try out the erotic play he had honed through erotic games, decided to experiment on his brash younger sister. They agreed to a game where the loser has to obey the winner's commands. Yuu emerged victorious and made his big-breasted sister wear lewd cosplay…