Hiroto Ida's comedy manga series You Don't Know Gunma Yet will receive a new light anime adaptation under the title You Don't Know Gunma Yet Reiwa Edition, scheduled to premiere in January 2026. The title "Reiwa" is in reference to the name of the current Japanese imperial era. The new anime will air on the railway specialty CS channel Tetsudo Channel in Japan. The anime's official website opened with a teaser trailer and a key visual. You Don't Know Gunma Yet Reiwa Edition Teaser Trailer Key visual Ida's original You Don't Know Gunma Yet manga ran in Shinchosha's Kurage Bunch website from October 2013 to May 2019, releasing 11 collective volumes in Japan. It was previously adapted into a four-episode live-action TV drama with a feature film in 2017, and a 12-episode TV anime in 2018. In the new anime, Gakuto Kajiwara (Asta in Black Clover ) and Jun Kasama (Amehiko Kuzunoha in THE IDOLM@STER SideM ) are confirmed to reprise their roles as the two protagonists from the 2018 edition — Nori Kamitsuki and Otoya Todoroki. Tetsuya Tatamitani ( Thermae Romae Novae ) serves as director and series composition writer. Eimi Saito and Kohei Nakayama provides scripts, and Imagica Infos and Imageworks Studio work on anime production. Crunchyroll streams the 2018 TV anime You Don't Know Gunma Yet and describes the synopsis as such: Kamitsuki ends up having to move from Chiba Prefecture to Gunma Prefecture. He decides to do a little bit of research about Gunma on his way over, and everything he finds out is terrifying! For example, “The world’s only remaining unexplored area,” and “Make sure you take all your best equipment.” What kind of place is Gunma? What kinds of things are going to happen to him while he’s there? The Gunma-born author brings you the real truth about Gunma in this series. Source : Imagica Infos press release, "You Don't Know Gunma Yet Reiwa Edition" official website
