SSS-Rank Hero retiring to Start his Villain Arc

Leon was a young man, who was reincarnated into a fantasy world. he was chosen as a hero and he was considered as a SSS rank hero. he faced many villains of that world. killed and ended the wars with his power alone. finally, he had defeated the Demon-king. unlike any other hero, who celebrates his victory. Leon didn't had that emotion of joy. he had lost everything, companions to loyal helpers. because of who? the demon king because that could be the case, right? no... but because of all the corrupted kings, queens and holy people. no demon king or any other villain of this world had killed them. they were just broken people to begin with, shown as villains by the real bad guys who were playing the role of good guys to have all the power. tek... "Now, I will show them what real villain is like" Since chapters will be released every Wednesday and Thursday. Until then, you can read the other novels I am writing. I Level up the weakest solo leveler. discord: https://discord.gg/FWVX6T4B