The stage sets in a world where guinea pigs became cars. The car that makes you relax, "Molcar". Having big round eyes, curvy butt and speedy limbs, they always explore the world with their innocent faces. Even during traffic jams, you can be eased just by looking at the butt of that Molcar in front of you. Even when they cause trouble, their furry cuteness will somehow make you forgive them!? Surrounded by situations only met by cars, it's a Mol-animation filled with cure, friendship, adventure and furry actions!

Set during the Heian Period, Kyo is a beautiful city that is proud of its glory. Two beautiful onmyouji meet, and the sad and short-lived beautiful cherry blossom starts to stir after 1000 years.

The Galactic Empire and the Free Planets Alliance have been locked in a seemingly endless war for more than a century and a half. In the Empire, a young Siegfried Kircheis meets Reinhard von Müsel and his older sister Annerose. Kircheis enjoys a happy friendship with the two beautiful blonde-haired siblings until the day that their alcoholic father, a lesser nobleman with low standing, accepts a request for Annerose to be sold as a concubine to the Kaiser. Although enraged, Reinhard is powerless to stop the whims of the Imperial Court. He and his father soon move away, leaving Kircheis behind.

A few years later, Reinhard returns in a military uniform and declares his intent to rise through the ranks and free his sister from sexual servitude. Kircheis joins Reinhard on this daring journey to save Annerose, yearning to forever stay by the side of his friends.

[Written by MAL Rewrite]

In the second season the story continues exactly where it left off previously. Professor Itsuki's Fermentation Cellar and laboratory is ready for operation and with Sawaki Tadayasu's unique gift to see and communicate with microbes to help, Itsuki's motley group of students begin to process different fermented products like soy sauce and sake. (Source: ANN)