You Don't Know GUNMA Yet.

Nori Kamitsuki moves from Chiba to Gunma to start high school, only to hear a classmate warn him, "No one comes back alive from Gunma." Digging deeper online, he finds more unsettling rumors about the place. As he struggles with confusion and culture shock, he somehow gets tangled up in the rivalry between Gunma and its neighbors, Tochigi and Ibaraki.