The Tales of an Infinite Regressor - Chapter 47 – Returnee IV

When he found out that he was in the world of a female cultivator’s novel and was still a cannon fodder, Fang Jinyu began the process of self-rescue like walking on thin ice.

until he sees…

[Today is a day to shovel shit]

[Refining to get a face value +1]

…

【Today is a day of practice but nothing gained】

[Refining to gain insight +1]

- Description from novelbuddy

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.

She killed his wife, destroyed his reputation, and ran off with his son. 8 years later, she returned home with her genius son, who already had a fiancée. “Give me the child, or you can’t afford the price.”“A girl who eats meat and vegetables doesn’t suffer, if you want a child, find yourself a woman to give you one.”

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.