This Mage Has Billions of Abstractions

Under the bustling city with bright neon lights, extraordinary demons sometimes cause chaos. Succubi, vampires, nightmares... They are all my prey. ........... "You won't understand. Over the years, I have completed one promotion ceremony after another, solved one powerful demon after another, and enjoyed the support of the world's incomparable respect. I thought I had become a hero and the most powerful mage in the world." "Looking back suddenly, it turns out that I am the biggest devil!" "Thank you. I'm a mage and I don't smoke! Also, this is a post-war global live broadcast of the three demon gods I just killed! Please be more professional as a reporter." "Forget it, just give me one! I'm addicted to cigarettes!"