Surrounded by dense Isengrim forests, there have long been rumors of mysterious legends and terrifying monsters. For a long time, the village hired a night watchman to keep an eye on the border with the forest, but no one was able to take over the night watchman who had quit in fear after being attacked by a strange thing. ..
At one point, a young man, Wolff, who appears in the village, takes over as the night watchman. The villagers are wary of strangers who suddenly appear, but he
unintentionally looks around the boundaries and encounters an ancient existence ...!? A new story in Isengrim, a land that keeps a dangerous balance.

This is the same story as Isengurimu no Yakei but told from the viewpoint of Wolff