we are private partners in bondage, both publicly and privately, for 8 years. kasumi horai, a female bondage master who was first captivated by the world of bondage and had ropes tied on her. the growth from a beautiful girl to a sensual woman over the years since yuzuki hoshino's av debut "wa and miyabi's shibari hall vol. 5". a private bondage bond documentary work that marks its 8th anniversary.