Heavens Library to Crimson Lord brings back Arata, Lilith, and the rest of the Trinity Seven to face off against the greatest enemy in the history of the Trinity Seven; Lilith's own father, who is revealed to be the strongest Demon Lord, challenges Arata who is now a Demon Lord candidate. (Source: Avex Pictures, edited)

"I have a duty to see everything that happens. No matter how much pain and sadness there is... Because I am Spearhead's handler." recaps the story told in through the perspective of Vladilena "Lena" Milizé—the commander of Shinei Nouzen and the Spearhead Squadron. [Written by MAL Rewrite]

Kazuhiro Kitase's only hobby is sleeping. Ever since he was young, he would enter a wondrous world within his dreams and go on thrilling adventures. One day, he goes on an adventure with an elf girl he became friends with in his dream world, but it's put to an abrupt halt when they both get scorched with a dragon's breath! As he wakes up from his dream, he notices a familiar figure sleeping next to him...the elf girl from his dreams?! Join Kazuhiro on his new adventures through Japan with Ms. Elf!

In the ever-growing world of Duel Monsters, as duelists improve their skills and rise up the ranks, duels become increasingly complex. By adhering to strict rules, in addition to using and learning proven strategies, one can develop into a strong duelist. However, as a boy who loves inventions and discovering new possibilities, elementary school student Yuuga Oudou finds the current way of dueling predictable and rigid—in other words, boring. Thus, he aims to craft a new path in dueling with his exhilarating new invention: Rush Duels. His ambition soon catches the attention of Tatsuhisa Kamijou, a fellow elementary school student, who brings him to a mysterious place in an attempt to discover the potential of the new system. While Yuuga aims to implement Rush Duels as the new dueling standard and overthrow the conventions of the game, he opens the door to his ultimate goal—to make dueling exciting again.