MTL - Niu Fei Zai Xia - Chapter 724 The Great Prince's Confession

Three Days of Happiness is a novel by Sugaru Miaki, also known as Fafoo. It’s a rewritten version of the story originally posted to 2ch.

The premise of the story revolves around a shop where one can sell away the remaining years of their life, and the consequences of doing so.

“I Say A Little Prayer” is a short related story which was posted along with the novel’s release. It spoils some things about the main story, but nothing major.

This is a world where humans, demons and mysterious beasts coexist.

Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception.

A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings.

Some demon kings have a tyrannical corporeal body, some are experts in illusions.
Some demon kings are proficient in magic, some can even move mountains.
Some demon kings are able to sense things thousands of miles away.

These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…

- Description from Novelupdates

In this world, laws are nothing but chains for the weak.The rich buy innocence. The powerful twist the truth.Justice? It was sold long ago to businessmen and politicians.He was no one. Shy, awkward, powerless. The kind of man people ignored.Until one day… a god descended.The forgotten God of Justice chose him as vessel.Chains of light tore through the darkness, dragging the guilty to their knees.And then, in his mind, glowing words appeared—[Justice Avatar System Activated][Skill Unlocked: Chain of Justice — Binding]Effect: No corrupt soul may escape once bound.From that day on, criminals trembled.The rich cried out. The politicians tried to resist.But when the chains fell, even their power meant nothing.The world called him a monster.The people whispered another name—“The Underworld Judge.”But he only said one thing:“I am the law. I am the verdict. I am justice.”

“Primum non nocere.”