I can't think of a way to describe it, so here's what Yen Press, the publisher of the manga, summarizes it: "Keiichi Maebara has just moved to a seemingly peaceful new town. He’s making friends and generally enjoying his life until one day he learns of a grisly murder that took place in the little village. His friends won’t give him any details which only adds to Keiichi’s uneasiness. After learning at the town’s annual festival that a death has occurred on that night every year for the past four years, Keiichi is drawn into a web of intrigue to help unravel the mystery of these murders. Things only get more dangerous when he learns that some of his new friends may be involved!"
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