After saving the Kingdom of Liones from the 10 Commandments, Meliodas and the Seven Deadly Sins are enjoying their time off. However, things aren't as peaceful as they seem, as the Sins are put through various trials to become strong enough to defeat the 10 Commandments and to overcome their past trauma. With help from past figures, the Sins are tasked with defeating the 10 Commandments and putting an end to their evil plans that began ten thousand years ago. The Sins begin to uncover the truth about each other, as well as those who stood before them. With this knowledge in hand, the battle against the 10 Commandments has only just begun. Nanatsu no Taizai: Kamigami no Gekirin continues to follow the Seven Deadly Sins and those that they meet on their journey. Through their adventures, they realize that their actions have had greater consequences on the present than they could have ever expected. [Written by MAL Rewrite]

In the first short, Lowe Gear and the Junk Guild make a stop at an mobile suit parts auction on Earth where Lowe purchases a head taken from a modified BuCUE suit which, when attached to the arm of his Red Frame Astray, acts as a dual beam saber. Lowe tries to decrypt some combat data contained in the head, but is shortly engaged by, and goes into combat with, several ZAFT suits including a CGUE DEEP Arms. In the second short, Blue Frame pilot Gai Murakamo engages and, with the help of his fellow Serpent Tail mercenaries, traps a GINN High Mobility Type. He then faces off with the legendary Edward Harrelson, who pilots a Sword Calamity Gundam and has just finished destroying a fleet of ZAFT ships. (Source: ANN)

The story begins when a middle school girl named Yume sees something fall from the sky, and meets a pale violet-colored kitten named Mew. It turns out that Mew has the power of "Yume Synchro" (Dream Synchro), the power to enter dreams. In the dream world, the girl and Mew collect Dream Stones.

In the previous series "Kite," a killer—Sawa—suddenly disappears after she avenges her parents' death, and no one knows where she is. Several years later, a figure dances airily on the dark side of a big city. She is an angel of death, killing her victim gracefully and disappearing. Monaka is a normal high school student, though this quiet and modest life has a darker side. An angel of death is Monaka's other persona.