Nozomi Yumehara and her fellow Pretty Cures have grown up and are chasing their dreams, but sometimes they find they can't solve problems as easily as they could as children. When a new villain threatens their town, the girls are called upon to become Pretty Cures once again, alongside the Splash Star Pretty Cures.

Momose, a 26-year-old office worker, recently changed jobs after being harassed by his former boss. He is concerned that his new boss will also use power harassment to make his life miserable. Momose tries to hide his concern about facing a similar situation with his new boss, Shirasaki. To Momose's surprise, however, Shirasaki's inherent airheadedness immediately alleviates all of his concerns, giving him a sense of relief.

Surrounded by the hate-filled gazes of her people, the selfish princess of the fallen Tearmoon Empire, Mia, takes one last look at the bleeding sun before the guillotine blade falls... Only to wake back up as a twelve-year-old! With time rewound and a second chance at life dropped into her lap, she sets out to right the countless wrongs that plague the ailing Empire. Corrupt governance? Check. Border troubles? Check. Natural calamities and economic strife? Check. My, seems like a lot of work. Hard work and Mia don't mix, so she seeks out the aid of others, starting with her loyal maid, Anne, and the brilliant minister, Ludwig. Together, they strive day and night to restore the Empire. Little by little, their tireless efforts begin to change the course of history, pushing the whole of the continent toward a new future. And why did the selfish princess have a change of heart, you ask? Simple—she didn't. She's just terrified of the guillotine. They hurt like hell, and Mia hates pain more than work.

Shun Tokinoya is a second-year high school student who lives with his mother and younger sister. After his father was killed in an accident and his sister was injured, he quit the game he loved and now works at an esports café called "FOX ONE." He spends all of his time studying and working part-time, while also socializing with his childhood gaming buddies. Suddenly, he discovers that "FOX ONE" is deeply in debt. Shun and his friends hope to win the "Xaxerion Championship" and the prize money in order to repay their debts. Shun returns to the world of online games, where he is confronted by Bakuretsu-kun, who used to play the game with him.