At the end of the Shang dynasty of ancient China, Emperor Shou defied the will of the Gods. He openly declared to lead the people and to resist against the gods. Zi Shou bravely fought against Tian Kui, but only received laughter from the gods watching from above. He was then killed by Tian (another greater god) and broke the Immortal Phoenix armor. Wu Geng then woke up in the body of Ah Gou and realized he has now a wife named Bai Cai...

After their loss against Suzuridani Academy, the members of the Keishin Academy girls' basketball team—Tomoka Minato, Maho Misawa, Airi Kashii, Hinata Hakamada, and Saki Nagatsuka, along with their coach, Subaru Hasegawa—exert more of their time and effort in improving in the sport day by day. However, this time around, new rivals with strengths possibly exceedings theirs and friends appear on their way to the top.

For years, the Niflheim Empire and the kingdom of Lucis have been at war. The empire, having dominated most of the world of Eos, covets the power of the last known Crystal, which is held in Lucis' capital city, Insomnia. In order to protect his people from these advancing forces, King Regis Lucis Caelum CXIII used the power of the Crystal to surround Insomnia with a magical wall. Along with this barrier, Regis assembled an elite military task force known as the Kingsglaive. By drawing their power from the king, the Kingsglaive protect Lucis' borders from the onslaught of the empire and other forces that would do them harm. One such member of the Kingsglaive is Nyx, a man nicknamed "The Hero" by his fellow warriors due to his arrogance and desire to save everyone. However, his pride gets the better of him, causing him to disobey his captain's orders, resulting in a demotion. Now, Nyx spends his days guarding the city gates, but things begin to change once word gets out that Regis plans to sign a peace treaty with their sworn enemies.

Satake Hirofumi is a prisoner on death row for murdering his fiancée. He's also an "Undeadman" who has survived many desperate situations. For this, he has earned the interest of a research institution called "Human Crazy University," which studies real-life miraculous phenomena and the people who become entangled in them. Now a subject of their research, Satake relates to them his memories of his immortal, yet unhappy, life. Why did he kill his fiancée? Soon enough, the truth sheds light on a much bigger conspiracy...