How could a high-strung student president like self-bondage?

One day, Lin Yi inadvertently notices faint rope marks on the wrist of the student president, Xia Qing, a discovery that ignites his curiosity. From then on, his life begins to change subtly. One by one, girls whose destinies are intertwined with his appear one after another, and each of them has their own secrets, which are all related to the rope. Lin Yi gradually gets involved in a marvelous journey, and in the intertwining of pure love and rope art, he not only discovers the stories of the girls, but also gradually unlocks the shackles within himself.