The Regression of Great Sage Riddle summary:
A young man named Riddle had lost all of his friendsand the entire worldat the hands of a mysterious organization known as the Box of Malice.Having lost all hope to live, he dwelled in a pit of despair until he has one final revelation. What if he could return to a time before everything ended?And so, after a thousand years, a deformed Riddle finally manages to reverse time."I'm going to stop them this time!"Equipped with a thousand years of knowledge and experience in his young body, the Great Sage Riddle's journey to the past now unfolds!