The Return of the Corpse King: I, the Former Hero, Summoned Once Again to Another World to Stop the Chuunibyou Secret Society I Formed.
Once, there was a hero named Shio Hizaki, who saved another world. All his classmates who were summoned together with him died, and after defeating the Demon Lord, he was forcibly sent back without any rewards. Overcoming a gruesome past with the support