Shoyo Hinata joins Karasuno high school's volleyball team to emulate his idol, the Little Giant; but he has to team up with Tobio Kageyama, his former rival.
Ami, a Japanese backpacker, and Jimmy work together at a KTV. They bond over work and adventures, but Ami leaves suddenly. Eighteen years later, Jimmy finds a postcard from Ami, sparking a journey to Japan to find closure and reconnect.
Sakura (Ihara Rikka) is a university student who enjoys working part-time at an inn in a resort area on an island resort with her childhood friends Satoshi (Fujiwara Daisuke) and Nozomi (Akita Shiori). Then one day, things take a sudden turn when she witnesses the proprietress, Makiko (Saeki Hinako), quietly delivering meals every night.
C.E. (Cosmic Era) 75, the battle was not over yet, with an independence movement arising and an invasion by Blue Cosmos, a group calling for the expulsion of the Coordinator. In order to calm down the situation, the world peace monitoring organization "Compass" is established with Lacus as its first president, and Kira and the others intervene in battles in various places as members. At that time, the Emerging Country Foundation, which was independent from the Eurasian Federation, requests the dispatch of Compass to the Blue Cosmos' headquarters and proposes a joint operation.
Tanjiro fights the demon Hantengu, while the Hashira prepare for a final battle against Muzan Kibutsuji.