FFF-Class Trashero

After ten years of grinding , Hansoo Kang has slayed the demon king and earned his ticket back home. Or at least he would have had he not biffed his performance as the "Chosen Hero." Seeing the underhanded tactics Hansoo used to make it this far, the powers that be send him back to the first day of his transmigration. Can Kangsoo learn that being a hero means more than just saving the day?