"It happened almost two decades ago… My village was attacked by the Demon King." Mentz was orphaned by the Demon King when he was just a baby. Roughly twenty years later, he's trained his powers to the best of his abilities, and now it's time to enrol into the Adventurer's Academy to recruit a powerful team. A team that will someday finally take down the plague known worldwide as the Demon King. 'A Very Delightful Tale of Revenge' is a story not just about revenge, but also self-improvement, relationships, trust, traumas of the past and all the sexy fun times in-between.