Executive Mitsuo Yoshioka of Yabuta Construction has gone missing. His daughter Mayu, who works in the secretarial office, searches for her father's whereabouts and arrives at Yamagi Construction, which turns out to be a training ground for sexual slaves for the Yabuta Group's client entertainment. Mitsuo was also involved in the sexual slave training for client entertainment, but ironically, Mayu also becomes a candidate for sexual slavery, and in his attempt to protect her, Mitsuo becomes a target for elimination by the organization...