Based on The Magic Tree House series, award winning series of children books written by American author Mary Pope Osborne.

The Royal Diana Academy is a prestigious school that accepts individuals with adept magical abilities. Upon graduation, these students find themselves at the top of their field or employed by the royal family. Spica Virgo dreams of studying at the academy, aiming to be a top-rate sorceress like her idol Claude Sirius. Claude is a world-renowned sorcerer who became the institution's youngest instructor, but mysteriously disappeared soon after. Lacking the experience and connections required for admission, Spica finds herself unable to make meaningful progress with her training. One day, however, she meets a talking black cat with magical abilities. Hoping to change the situation for the better, she begs the animal to take her as his apprentice and teach her the magic she needs to attend the academy. The cat accepts the deal on one condition—she must find a way to reverse his feline curse. Despite the arduous challenges ahead of her, Spica is determined to prove herself as a student worthy of the cat's mentorship.

Fine and Rein are sent to the Royal Wonder Academy on the Royal Wonder Planet in order to study to become better princesses. They plan to make many friends, but unfortunately, the competition and cold nature of the students and teachers make things impossible. The twins also become Universal Princesses when touching the legendary Soleil Bell, releasing two angels named Pyupyu and Kyukyu to help aid them. Unfortunately, an evil force manifested in a painting doesn't seem to be satisfied about the Universal Princesses... (Source: ANN)

On their way to a singing contest, Mai and Saki meet a mysterious man looking for the oldest clock in town. It turns out that this clock is a portal to the World of Clocks, and the mysterious man is a servant of Dark Fall who wants to stop time to destroy the world. With the help of the clock spirits, Pretty Cure must fight to escape his perfect maze and start time flowing again. Takes place during the second half of Futari wa Precure Splash☆Star.