In the far future, war has destroyed the entire Earth, leaving only a barren wasteland where the supply of water is controlled by the greedy king. In search of a long-lost lake, Sheriff Rao asked the king of the demons for help...and got the king's son, Beelzebub, and his assistant, Thief. Together the unlikely trio sets off across the desert, facing dragons, bandits and the deadliest foe of all... the King's army itself!

When a friend asks Natsuki what high school club she's going to join, she cheerfully responds "the go-home club" (meaning, she's not going to join any of them). However, she soon realizes that this club actually exists at her high school, and she's just expressed interest in joining it! Before she knows it, she ends up as one of the two new members of "the go-home club," which is a small group of eccentric school girls. One of the girls likes fighting bears, while another is ridiculously rich. But what exactly constitutes the activities of "the go-home club"? (Source: MangaHelpers)

Continuing their journey from Record Country (the place that held the book of memories), Syaoran and company land into Tokyo Country, a blood-filled country under war from opposing factions for natural resources and survival. While reluctantly involved in the race to live, the group faces their own problems as certain revelations are made, changing their journey forever. A shocking betrayal and a battle that risks all of their lives. After this revelation, they will never be the same again.

The third film in the six-part Girls & Panzer: Saishuushou film series.