本作是一款策略RPG，遊戲過程中會將具備不同特色的孩子們設置在戰車的各砲台，來擊敗遭遇的敵方武器並向前邁進。孩子們擁有各自的「情感」與「契合度」。妥善掌控好這兩點，並依照狀況調整編制即為贏得勝利的祕訣。

Red Savarin, an eager and ambitious 17 year-old anthropomorphic dog, ventures through the mythical floating islands of the Shepherd Republic where specialized robots are commonplace, living a carefree life traveling with his younger sister, Chocolat, and utilizing his personalized robot, Dahak, to complete various odd jobs for money. While on a routine retrieval mission, they have a chance encounter with a mysterious boy named Elh and find a medallion that inadvertently entan...

Dogs and cats inhabit the world of Prairie. The dogs are the dominant group and have denied the cats representation in the government. The Black Cats is formed to get feline representation by any means necessary. Believing that five crystals scattered in Prairie hold the key to a utopia filled with catnip, the Black Cats go after them. If the crystals are gathered, they will awaken the Iron Giant who will destroy Prairie. You take the role of Waffle, who must stop the Black C...