After the Demon King is defeated, the hero loses his reason to exist.
Luther, a former hero, looked at the plane of Aaron, which no longer had a place for him. He tossed aside his sword, went to the Demon Realm, and transformed into an evil dragon.
“Set up an online forum for me. I’m going to compete with those magic academies for talent.”
“Set up instant messaging for me. I want this world to have mobile phones.”
“Get virtual currency going. From now on, the only universal currency in this world will be my Luther Coins.”
“Get the foreman to shout out. I want those fanatics mining with their faith.”
“Anime, movies, novels, comics... Get them all going! This damn otherworld is as boring as the Middle Ages, with nothing but magic and battle energy. Do you know how I’ve been living all these years?”
The unemployed former hero Luther decided to bring the iron fist of capital to this wicked medieval world.