Pleasant Goat and Big Big Wolf: Happy Formula.

A mysterious force landed on the Green Green Grassland, and the Goats on the grassland were each gifted a unique vehicle of their own. Not only can their new vehicles express emotions, but they even have their own thoughts: they soon become friends with the Goats. However, the Wolffy is always after the Goats; he also made himself a high-tech vehicle. and thus creates an exciting adventure in the Green Green Grassland.