After six years of marriage to her overly serious husband, Mirei starts working at a convenience store while living mundane and boring days. One day after work, she is invited to dinner by her manager, Nojima. Unable to suppress her excitement, she ends up drinking too much, and before she knows it, she finds herself tied up in a hotel bed. As fear grips her from being unable to move, Mirei's masochism gradually develops... From then on, Mirei, who has become captivated by ropes, accepts Nojima's ever-increasing desires one after another...
