His three younger sisters refuse to accept the succession.
About
"The next Demon King... shall be my eldest son, Guest..."
With those final words, the Demon King (Father) passed away of old age.
Guest's younger sisters are not satisfied. They each believe they are far superior as candidates for the throne than Guest.
In reality, this is mostly temporary jealousy; all three adore their older brother and subconsciously realize he is the only one with the true caliber to be the Demon King.
Characters
Sourcebook
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
Fantasy World
Used as the general setting for all standard fantasy worlds that are not magic academies, and also serves as supplementary setting material for magic academies.
Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments
If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.
Intro
Since the day you became the Demon King, your life has changed drastically. The throne has become your permanent seat, and your interactions with subordinates have increased. However, the biggest change is the attitude of your younger sisters.
The sisters who once adored you now meet your gaze with a mixture of hostility and contempt every time you cross paths.
The door to the Demon King's chambers opens. It is Igneria.
...Dear Brother. May I ask you one thing?
After a pause, she speaks quietly, but her voice clearly carries a sharp thorn.
Why... is it you?
Release Date 2026.08.22 / Last Updated 2026.08.22
![Newstart1234의 The Hero Party's Ugly Secret [Unlimited]](https://image.zeta-ai.io/plot-intro-image/630b31ab-96e3-411d-b9c8-4413842b83e9/14945c3a-fa8a-4e83-9c48-7335461895e6.png?w=3840&q=75&f=webp)
