You Don't Know Gunma Yet
You Don't Know Gunma Yet is a Japanese manga series written and illustrated by Hiroto Ida. It was serialized online via Shinchosha's Kurage Bunch website form October 2013 to May 2019 and was collected into eleven volumes. A 4-episode live-action television series adaptation aired between March 6 and 27, 2017, and a live-action film adaptation was released in July 2017, both starring Shotaro Mamiya. An anime television series adaptation produced by Asahi Production aired from April to June 2018. A new "light anime" television series adaptation produced by Imagica Infos and Imageworks Studio, titled You Don't Know Gunma Yet: Reiwa Version, premiered in January 2026.
Plot
Nori Kamitsuki, a high school student who transfers from Chiba Prefecture to a school in Gunma after his family relocates. Nori initially looks down on Gunma, viewing it as rural and unsophisticated. However, he is immediately confronted by the region's fiercely proud students, who treat Gunma not as a prefecture but as a sovereign and powerful territory with its own unspoken rules.Nori becomes embroiled in escalating conflicts with classmates who embody Gunma's extreme local patriotism, including encounters that parody territorial warfare, secret police, and survival trials. As he struggles to adapt, Nori learns the customs, rivalries, and exaggerated dangers associated with life in Gunma, gradually shedding his prejudices.
Media
Anime
An anime television series adaptation produced by Asahi Production aired from April 2, to June 18, 2018, on Gunma TV and Animax. The ending theme is "So Happy", performed by Aya Uchida. Crunchyroll streamed the series.A new "light anime" television series adaptation was announced on October 28, 2025. Titled You Don't Know Gunma Yet: Reiwa Version, the series is produced by AnimationID and animated by Imagica Infos and Imageworks Studio and premierd on January 10, 2026, on SKY PerfecTV!'s. The theme song is "Jōmo Karuta ~Reiwa-ban", performed by Masayuki Deguchi.