If We All Go To Gartlant Together, It Won't Be So Scary - S1.E9

Faust succeeds in defeating Petersburg, one of the six cities on Terra II, and his sights are set on Japoness. Otaru, carried away by thoughts of being a hero, agrees to the shogun's request to sneak into Gartland to destroy their main computer. Fearing that war will make her lose Otaru, Lime foolishly sets off by herself.