After the Kingdom of Liones faces a new threat, the Seven Deadly Sins split up in order to defeat an enemy force spanning Britannia. With their members divided, they face 3 powerful foes, attempt to rescue the lost part of a dear friend, and begin their rescue of Elizabeth. However, all is not quite as it seems. Along the way, the truth of what brought the end of the Holy War 3000 years ago is uncovered, causing old friends to come face to face against each other. Nanatsu no Taizai: Funnu no Shinpan continues the adventure of the Seven Deadly Sins and their friends, and sees a great power released.

After the death of his grandfather, 19-year-old Kazuya Souma—an aspiring civil servant—is left all alone with no one to call family. Out of the blue, he is transported to the Elfrieden Kingdom, a small ailing country in another world, to be a hero. An ongoing war with the demon army has put the entire world in peril, and Kazuya was summoned to aid in the conflict as an offering from Elfrieden to its allies. Dissatisfied with being used as tribute, Kazuya decides to help the kingdom revamp its declining economy—not by way of adventuring or war, but through administrative reform. Abruptly declared the King of Elfrieden and betrothed to the princess, the Realist Hero Kazuya sets out to assemble a group of talented citizens who will assist him in his bureaucratic battles to get the kingdom back on its feet.

In desperation, Edward Elric sacrificed his body and soul to rescue his brother Alphonse, and is now displaced in the heart of Munich, Germany. He struggles to adapt to a world completely foreign to him in the wake of the economic crisis that followed the end of World War I. Isolated and unable to return home with his alchemy skills, Edward continues to research other methods of escaping the prison alongside colleagues who bear striking resemblances to many of the people he left behind. As dissent brews among the German citizenry, its neighbors also feel the unrest of the humiliated nation. Meanwhile, Alphonse continues to investigate Edward's disappearance, delving into the science of alchemy in the hopes of finally reuniting with his older brother.

After a brutal surprise attack by the forces of Quincy King Yhwach, the resident Reapers of the Soul Society lick their wounds and mourn their losses. Many of the surviving Soul Reaper captains train to battle without their Bankai, the ultimate technique wielded by the fiercest warriors. In the previous assault, Ichigo Kurosaki narrowly managed to help fend off Yhwach's fearsome wrath. However, to ultimately defeat his godly adversary and save his allies, Ichigo must now undergo severe training that will push him beyond his physical, emotional, and mental limits. Though Yhwach already holds the upper hand in this ongoing blood feud, he also successfully recruits Uryuu Ishida, Ichigo's close friend and rival, to be his successor. Yhwach strikes out once again at the weakened Soul Society, intent on finally obliterating his long-standing enemies. As Ichigo struggles to attain new power, the Soul Reaper captains fight for survival and borrowed time.