第 2 集: 齋藤掉入迷宮陷阱，鄰國面臨魔王威脅。

2

A demon king has appeared in a neighboring kingdom and the king has to figure out how to deal with it. Meanwhile, Saitou makes a mistake which sets off a trap that sends him to one of the lower levels of the dungeon. (Source: Crunchyroll)