This time, as a special project, "Rumi-san" will experience masochistic pleasures inspired by her favorite book, "The Story of O." Over two days, she will be passed from man to man, thoroughly toyed with and dominated, indulging in ultimate submission. Tonight, within the "slave room" of Tuning Club, witness R-san's relentless ordeal. On the second day of this five-hour-long event, she is repeatedly taken by over a dozen men, each encounter bringing new waves of intense pleasure.