Amaku Yasashii Sekai de Ikiru ni wa

Amaku Yasashii Sekai de Ikiru ni wa summary:

Hero and Saint, Demon lord and magical beast, in a fantasy royalty monarchy world where skill and magic exists. [Grandson of the Flame Spear Hero], [Son of the Thunder Spear Hero], [Son of the Saint], [Heir of the Duke], [Childhood Friend of the Crown Prince], [Fiancè of The Third Princess] and so on are the t.i.tles that the protagonist, Doyle Von Agnis ( 15 years old), was born with. He is born with high level specs that measure up to his t.i.tle. However, as a result of such a winner’s life and growing up with doting parents, he went straight on the road to becoming a villainous aristocrat’s idiot son!
Such a protagonist, who was given the position of a horse tender, was driven into a week with high fever, as a result of him remembering the calculated inclining high amount of memory.
And it was decided.
He (the idiot son) himself would take back the t.i.tle that he lost and will become a man who walks the right way for the people who loved him.
This is the common reincarnation fantasy setting.
In among of the lowest hurdle, the cheat hero will continue to live while reconciling the disagreement with the people around him.