A kid gets handed a magical mission she didn't ask for, and the show never pretends that's anything but inconvenient. The Teeniepings aren't cute mascots who exist to explain plot, they're characters with their own chaos, their own needs, their own reasons for being difficult. The real hook is watching Romi figure out that saving the Cake Castle means understanding each Teenieping as a person, not a problem to solve faster.
After Puffping steals the Magic Sugar Ball, a strange magical phenomenon pulls all the Dessert Teeniepings into a mirror, which sets them loose on Earth. Romi must catch them. Joined by the Royal Dessert Teeniepings Jellyping, Shashaping and Fluffyping, she has to finish her mission quickly, because if she fails, the Cake Castle will collapse. The short-format TV series blends fantasy and drama with the magical girl genre.