A goddess, troubled by the fact that there are too many reincarnated people, declares that she will start a massacre among them.
The official spin-off of "The Serial Killer Reincarnated into the Another World" begins!
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Note: The main story was written by Ichigo Hitotsubu, but with the start of the new series, it was revealed that he is also working under a different name, as Kawamoto Homura.