You Don't Know Gunma YetYou Don't Know Gunma Yet.

You Don't Know Gunma Yet (Japanese: お前はまだグンマを知らない, Hepburn: Omae wa Mada Gunma o Shiranai) 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 tankōbon 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.