Promotional video of Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka IV

Promotional video of Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka IV: Fuka Shou Yakusai-hen, second cour of the fourth season of the anime adaptation of the light novel Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka.
This series produced by J.C. Staff will premiere on January 5 next year.