This is a story about a life-changing choice and its consequences. At the center of the events is a young girl who suffers from an incurable illness. She works as an editor of online novels and rarely leaves her home. One day, the heroine decides to make a deal with a mysterious ghost who unexpectedly appears in her life. In order to save her own life, the main character is willing to take a risk. The young girl has yet to realize the consequences of the decision she has made.