The official website for Sakugan (Sacks&Guns!!), Satelight’s anime of Nekotarō Inui’s Sakugan Labyrinth Marker (Drilling Labyrinth Marker) novel, revealed on Sunday that previously announced cast member Hikaru Midorikawa will play Rufus, Gagumber’s former colleague who used to travel around Labyrinth together with Gagumber before Memempu was born.
Inui’s Sakugan Labyrinth Marker novel was the runner-up in the “Science-Fiction/Robot” category.
The visual below depicts the underground colony of Pin-in, where the father Gagumber and his daughter Memempu — the story’s protagonists — live.
In one of the colonies named Pin-in, a curious nine-year-old girl named Memempu and her father Gagumber board a two-person work robot and mine for ore.