Chiyako Hara has moved into an apartment in a rural town. She hears from her manager, Hagura, that there is only one person living in the apartment. At night, a woman dressed in black, who claims to be her next-door neighbor, came to say hello. One day, Chiyako's younger sister Miori visits her older sister, but is concerned about her strange neighbor and consults with her senior Kano. Kano and Miori find out that the apartment Chiyako moved into was a murder property. Miori and Kano head to Chiyako's apartment, but what did they see?!

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