Maki Koizumi, a lone undercover agent tasked with exposing and punishing an organization's crimes, pushes forward with unwavering determination. Enduring relentless abuse by merciless men, she accepts any means necessary to complete her mission. Yet, standing before her is a brutal trial: 10 consecutive creampies. Amid this harsh reality, how will her heart waver? As grueling duty and physical torment collide, Maki's true form emerges.