HDXD: Omni Harem System - Chapter 20: Terms of Service

A strange event happened in Blue Star, a large number of Blue Star people were affected by a mysterious force, and their souls temporarily traveled to another world.

It’s a dark, weird world

Not only are the prices extremely high, but there are also many evil spirits quietly appearing. At the same time, various forces are fighting with each other, and the people of the lower classes are suffering.

Yang Fangben, the attending physician of the mental hospital, also traveled through a strange incident.

Fortunately, he found that he had awakened a proficiency panel.

As long as you keep refreshing your proficiency, you can improve your own realm.

He grew up secretly, with corpses piled up under his feet, and he unknowingly embarked on a path of sagehood.

- Description from novelbuddy

Beings that create and control monsters and demons, beings that build and reign over malicious labyrinths, the chosen individuals to possess an overwhelming Unique Skill… They are the Demon Lords.

A Wicked Witch, trailed by vengeful spirits and curses.“Hey, Tin Can! Did I not tell you to stop causing trouble?!”A Courageous Lion, descended from the bloodline of a hero.“Uh, no matter what, this seems like a bit much, no? Huh? Whatever doesn’t kill you only makes you stronger? Um, Sir Knight? Sir Knight!?”A Scarecrow, sealed away for pursuing the taboo.“Despite appearances, I’m quite capable from the shoulders up. Below that, you say? Let’s see, if I had to give a cold self-assessment… perhaps an emergency shield?”A Solitary Tin Knight, forever barred from human warmth.[The ‘Tin Knight’ urges everyone to initiate the boss battle, saying the cut scene is over!]This is a cruel, fairytale-like adventure story told by twisted protagonists.…Maybe!