Attackers first! A long-term shoot lasting four months. A spectacular record of Kokoharu Asai's masochistic awakening! ! Hard training that continues to drive the SM wedge into her private life! SM director Shisui Usuba, bondage master Tetsushin Doyama. The two were convinced of Koharu's potential and promised to awaken him to masochism. "Are you sure you want to do that?" "Yes! I'll be your slave, please train me!"