[2nd Anniversary of Muku's Debut: Hinata Hikage's Hemp Rope Bondage Released!!] Hikage was a young girl who lived a normal, everyday life without any inconveniences. However, 2 years ago, while out with her family, she was involved in an unfortunate traffic accident involving a black luxury car, and lost both parents. Hikage herself was hospitalized in a coma for about a year, and when she woke up, she had lost her memory. Now all alone in the world, Hikage was taken in by a single man named Hinata Kotaro. Memories she doesn't want to remember. A truth she doesn't want to know. When she is told all of this, the girl is thrown into the depths of despair!! This is the beginning of bondage training from which she cannot escape...