Shu Saura , the "King of the Netherworld" and a powerful mage who loved Shizuno Urushibara .
(also known as World Break: Aria of Curse for a Holy Swordsman ) is a fantasy series that centers on Saviors —teenagers who possess memories of their previous lives. These students are trained at Akane Academy to fight Metaphysicals , monsters that threaten humanity. Core Concepts & Setting Seiken Tsukai no World Break
The world is defined by two distinct types of warriors, based on their past-life abilities: Shu Saura , the "King of the Netherworld"