Shiki has spent his entire life surrounded by machines. He is the only one of his type in Granbell Kingdom, a long-abandoned amusement park. That is, until Rebecca Bluegarden and her feline friend Happy come, oblivious to the fact that they are Granbell's first guests in a century. Their objective is to create entertaining films for their B-Cube channel, but instead they discover a buddy in the socially awkward Shiki. When Granbell grows too deadly for the three of them to handle, they embark on a journey across the Sakura Cosmos. They aim to produce more intriguing movies and even uncover the elusive deity Mother, while Shiki is motivated by his late grandfather's words to make more friends. Of course, there is the travel.