Episode 1

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Synopsis

In the distant future, on the outskirts left behind by the rapid concentration of advanced science and technology in urban areas, lies a remote mountain village known as Kagami Village.<br/> “Behave yourself, or a Double will come for you.”<br/> Such old folklore still lingers in this village.<br/><br/> Akane Higure, a middle school student living in Kagami Village, has been eagerly awaiting the return of her older sister, Sui Higure, who is finally being discharged from the hospital after a year.<br/> However, not long after her sister comes home, Akane receives a single phone call.<br/><br/> “The girl at home with you… isn’t your sister.”