The anime film will feature the familiar characters from the franchise now grown up, and reuniting to construct a campsite.

Within one's Book of Fate is their destiny. Written by the mysterious Story Tellers, these books decide every small detail of one's life. Some Story Tellers, however, choose to interfere with the stories of others rather than write their own. These malevolent beings are known as Chaos Tellers, who seek to ruin stories by overwriting the Books of Fate. Ex, Reina, Tao, and Shane were born with blank books. Ostracized by society due to this abnormality, they abandon their respective stories in search of better lives. In the vast unknown, they encounter famous fairy tale characters such as Cinderella, Momotarou, and Snow White. All the while, they work to subdue the Chaos Tellers and return peace and order to the stories. [Written by MAL Rewrite]

Honda is a skeleton, but more importantly, he is a bookseller. And he'll tell you from firsthand experience that the job of a bookstore employee is more challenging than it may seem to the average customer. Alongside his equally eccentric coworkers, Honda constantly deals with the stressful requirements of the bookselling industry. From the drama of receiving new titles without their bonus material to the struggle of providing quality service to customers who speak a different language, the work of a skeleton bookseller never ends. Nevertheless, despite the hardships he faces, Honda thoroughly enjoys his job and strives to bring the best book selections and service to his customers. [Written by MAL Rewrite]

Doppo Orochi sits down to watch the final match of his karate school's youth tournament. Atsushi Suedou, one of his disciples, faces off against Baki Hanma, a fresh teenage boy breezing through the matches. Intrigued by the boy's strength, Doppo, alongside another of his disciples—Kiyosumi Katou— visits the notorious Tokugawa underground ring—a hidden freestyle fighting arena that prohibits only weaponry in its matches. Upon arriving, they learn that Baki is set to face none other than Koushou Shinogi: an infamous karate master and user of the lethal Cord-Cutting technique.