To Live in a Sweet and Gentle World

In a orthodox fantasy world where heroes, holy maidens, demon lords, magical beasts, skills, and magic exist, the protagonist, Doyle von Aginis (15 years old), was born with grand titles: 【Grandson of the Flame Spear Hero】, 【Son of the Thunder Spear Hero】, 【Son of the Holy Maiden】, 【Heir to a Dukedom】, 【Childhood Friend of the Crown Prince】, and 【Fiancé of the Third Princess】. He was born with high-level specs befitting these titles. However, as a result of being doted upon by his parents, this protagonist on the winning path of life has been rushing straight down the road of being a stereotypical foolish noble son villain! Such a protagonist, positioned as a typical foil in orthodox stories, after suffering from a high fever for a week, regains memories of his calculating and scheming past. And then, he resolves: To reclaim the titles he is losing, and for the sake of those who loved him even as a (foolish son), to become a person capable of walking the righteous path. This is a reincarnation fantasy incorporating common tropes. Within the hurdles lowered beyond their limits, the protagonist with cheat-like abilities reconciles with the people around him with whom he has fallen out. Furthermore, the protagonist's convenience will be prioritized from beginning to end. If you have time, I would be delighted if you would take a look.