Kaito lost his sister who was his lover in his childhood. He severed all contact with the outer world for twenty years and devoted his time to writing down memories of his sister. One day, a week before the manuscript is to be completed, a woman visits his room. She burns all his papers and takes him to the city to cut him off from his memories. Nevertheless, Kaito cannot stop writing about his sister. The woman decides to lead him on a journey to ultimate hell.

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