The 100 Year Old Siren that Summoned the Stars

When four children go missing in a single night, Winspector discovers a bizarre connection: each child was born on the same night within just three kilometers of each other. The culprit appears to be the leader of a mysterious apocalyptic cult. Is she truly a witch? Has Winspector met their match against her powers? Only the wisdom of a mountain shaman may save Ryoma, the children, and the world itself from utter destruction!