Moto Tansaku-sha no Ojii-chan: Mago ni Segamarete Dungeon Haishin wo Hajimetan ja ga, Nanjaku na Wakazou wo Shikaritsuketara Buzz-ri Ottawai

Many years have passed since "dungeons" began to exist in the world. "Grandpa, stream a dungeon run for us! You used to be an explorer, right?" Urged by his grandchild, former dungeon explorer Genji Kudou decides to dive into a dungeon for the first time in 30 years. But Genji's dungeon strategies,