The story takes place in a time when humans and non-humans alike lived in the same society. The Kingdom of Liones was saved thanks to the efforts of the Kingdom's third Princess, Elizabeth, and a band of strong yet terrible knights known as The Seven Deadly Sins.

With peace returning to the Kingdom of Liones following its near annihilation, Elizabeth and The Seven Deadly Sins decide to celebrate King Bartra's birthday with numerous dishes being prepared in the Boar Hat tavern.