The Hero of Regression – The Talentless Boy Vows to Protect His Childhood Friend, the Female Hero, This Time Around

The hope of humanity. The savior destined to rescue a world on the brink of destruction by the Demon King. There was a girl known as the “Hero.” She fought diligently to save humanity, defeated the Four Heavenly Kings of the Demon King’s army, and was on the verge of slaying the Demon King himself. However, in the final battle, the Hero was defeated by the Demon King, plunging humanity back into the abyss. In a certain rural village lived a boy named “Allan,” who was the childhood friend of the girl hailed as the Hero. Vowing revenge against the Demon King who took his precious childhood friend, Allan, despite having no special talents, honed an extraordinary sword technique through sh...