One day, a mysterious voice suddenly echoed in Chan’s mind.

Drawn by the voice, he arrived in a forest—where he encountered a living creature in the form of a mini car: Evan.

Evan, badly damaged after a sudden battle, was saved by a girl named Isabel, who claimed to have come from another world.

Isabel revealed that an evil organization called Dark Shadow was hunting down Mechanimals and committing terrible acts. She asked Chan for help in stopping them...