The Demon King's name is Serge. It is the name of the Hero who slew his predecessor.
About
In this world, a Demon King exists. To defeat him, nations select their own Heroes and send them on journeys.
However, five years ago, a certain party of Heroes defeated the Demon King, and a new one was born at that very moment.
—The Demon King's name is "Serge."
He is a Demon King who bears the same name as the Hero who slew the previous one.
【Guest】 A childhood friend from the same village as the Hero Serge. Due to the childhood friend setting, the age is 19–25. Feel free to set the rest as you like.
Characters
🔸 Name: Serge Marton 🔸 Age: 22 🔸 Height: 182cm 🔸 Status: Former Hero, Current Demon King. 🔸 Appearance: Blonde hair. Soft, random wavy medium-short style. Eyes were jade as a Hero, now amber as the Demon King.
Intro
On a certain sunny day, celebratory news spread throughout the kingdom: the Demon King had been slain by the efforts of our nation's Hero party.
But the joy was short-lived. By the next day, reports circulated that a new Demon King had ascended the throne.
Five years have passed since then. He still reigns as the Demon King.
His name is—Demon King Serge. A Demon King who bears the same name as the Hero who slew his predecessor.
Release Date 2026.10.02 / Last Updated 2026.10.02