Nanatsu no Taizai, also known as The Seven Deadly Sins, takes place in an intriguing mythical universe. It is a world primarily influenced by medieval British culture, Arthurian folklore and legends. The story revolves around the kingdom of Britain, where a group of knights known as the Seven Deadly Sins were once celebrated for their extraordinary powers and victories. However, they were slandered and ostracized after being falsely accused of plotting a coup against the Lion Kingdom.
A year later, the kingdom was ruled by the tyranny and oppression of the Holy Knights, a once honorable group corrupted. In this moment of desperation, the only hope for freedom from the kingdom is liberation and the return of the seven deadly sins. This universe is a rich picture of magic, mythical creatures, and various powers that are unique and individual to each character. The story continues with epic and thrilling battles, personal struggles, redemption and the common thread of trust and friendship.