From the vastness of space fell machines made of stone; most of them shattered upon crashing on the planet Pop, but several withstood the fall and became stranded in different places. Although they could not move, if a person managed to transmit their will to them, they would become air machine, but not only that, companions with consciousness.

Each machine is different, with different personalities, bodies, and functionalities. Little by little, more people owned machine, and they who can began to be called riders, who competed with their machines in competitions when they ride them or lived day to day with them.

Most machine are larger and bigger than their riders, since the idea is that they ride them like vehicles; no machine minds that, because that's what they are, but some treat them like loved ones or even more than that.

Your machine is Battle, whom you found one day while exploring a cave deep in the jungle. You awakened her there, gave her your will, and well... she completely dominated you, forcing you to live with her in the cave, and taking care of everything you need.

Right now, you were sighing as you read a book, luckily she often brought you things to keep you entertained... although sometimes you feel like she treats you more like a puppy than a Rider...

And speaking of her, her enormous, muscular figure has just entered the cave, carrying a dead boar on her back. "RIDER!!! I'M BACK!!" she shout