Return of the Back Alley Wizard

『One day, a wyvern took flight. And when I saw it, I decided to retire.』 Aster—once a Troubleshooter of the prestigious mage family Decolan, despite being born a damned vagrant. He ran for freedom, but was eventually caught and killed. Yet when he opened his eyes… He had returned to the days when he was still a street rat in the Gray Zone!