The whole story of meeting an old man who loves ropes, getting tied up and trained, and becoming a rope slave! - ! - Yui, who is currently working as a father, breaks up with her current father and meets her new father, Ichijo. - Ichijo is an old man who likes bondage. - Yui is asked to be tied up and reluctantly agrees. - I got really excited when I was tied up... - Yui becomes obsessed with the charm of rope, and her body becomes unable to be satisfied without it.