The stage is set in a world where guinea pig became car. 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 a traffic jam, you can be eased just by looking at the butt of that Molcar in front of you. Even when they cause troubles, 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! 
 
(Source: Muse Asia) 
Note: A compilation movie titled "Tobidase! Narase! Pui Pui Molcar" was released in theaters on July 22, 2021 in MX4D and 3D.