The eldest son of the assassin aristocrat Tuatha Dé.... more>>

The skill, experience, knowledge of the previous life, magic, all of which grows his power as an assassin.

Excellent assassins pass through. He was usually admired as the ideal lord, and behind it wielded a blade as an assassin aristocrat. <<less

Instead of building a dungeon to feed on the despair of humans, the eccentric Procell used his [Creation] powers to build a city where humans and monsters could live and laugh together.... more>>

Before long, he became one of the three strongest Demon Lords.

However, through a series of events, a jealous fellow Demon Lord sent Procell away to an unknown land.

And so, in order to return to the city he built as well as to his beloved monsters, Procell and the [Infinitely Evolving Slime] he came with began to move.

However, unbeknownst to him, this new land, the new companions he would meet, and the city and monsters he was separated from... <<less

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.... more>>

Demon Lords entice people to come to the labyrinth they’ve built and eat the people’s despair as their nourishment.

However, Creation Demon Lord Procell has decided that he will obtain people’s hopes and not their despair as nourishment, and built a happy town instead of a malicious labyrinth to collect human beings.

This is the story of an eccentric Demon Lord, his inner thoughts, and his poker face. <<less