You Don't Know Gunma Yet

Nori Kamitsuki recently relocated from Chiba to the Gunma prefecture, following in the footsteps of Otoya Todoroki, a former classmate who did the same while she was in elementary school. He gets there when Todoroki sends him a foreboding text message warning him to turn around since once someone enters Gunma, they never leave. Disregarding the warning, While Kamitsuki attends class and finds new friends. These individuals make it their job to dispel any unfavorable misconceptions about Gunma and demonstrate to Kamitsuki all the ways in which Gunma differs from the rest of Japan, including the local cuisines and landmarks, differences to daily school life, and even the attitudes of its residents. They obviously don't know Gunma yet, despite the fact that it is usually believed to be the least well-known prefecture in Japan!