The “Seven Deadly Sins”—a group of evil knights who conspired to overthrow the kingdom of Britannia—were said to have been eradicated by the Holy Knights, although some claim that they still live. Ten years later, the Holy Knights have staged a Coup d’état and assassinated the king, becoming the new, tyrannical rulers of the kingdom. Elizabeth, the king’s only daughter, sets out on a journey to find the “Seven Deadly Sins,” and to enlist their help in taking back the kingdom.– Despite repelling the demon invasion of the Kingdom of Lioness, the war is far from over, for Arthur’s Kingdom of Camelot is still being occupied by the demon army and the surviving members of Jikkai. However, in order to begin counter-offensive, the Nanatsu no Taiza needs all of its members. Unfortunately, King and Diane are still hiding in the Fairy King’s Forest, where they are made to discover the strange history of Jikkai.