Start by Spending One Billion [Entertainment Industry] - Chapter 121

Being re-birthed as a cell, Han Dong utilized the power of the Prison code and came into a parallel world where the Ancient Ones have awakened.

A steam powered civilization, horrifying subspaces, the Ancient King of the Eternal Night and strange monsters lurking outside the city.

The door of Destiny has been opened – Crusaders, Library, Control, Machinery and Mysticism would become the new growth system for human development.

The hymn of Humanity is the song of courage! The brave and dauntless Knights Regiments, riding into the world ruled by the Ancient King to seize back the freedom that belongs to mankind.

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Mystery is the nourishment that keeps me from being ordinary.

It has been 20 years since he came to a world similar to the modern European background. With his early wisdom, Fei Lin learned a skill and finally became a decent person.

Originally thought that he would marry a wife and have children and live this life in a dull way, but found that there is another world under the shadow of the world.

In that world, there are occultists who practice esoteric techniques and master extraordinary powers.

It is weird to spy on humans in the dark and feed on humans.

There are evil god believers who worship the evil god, please the evil god through bloody sacrifices, and exchange power from the evil god.

There is an evil god who wanders outside the world, peeps at the world, and only infiltrates the power of scales and claws, which is enough to cause people to fall.

With the mystery as nourishment, he is no longer ordinary after 20 years of ordinary.

- Description from novelbuddy

[You have entered the dungeon at Gwachun Station’s 1st Exit.] When former high school student Kang Woojin finds himself returned back to Earth after being forcibly summoned to a foreign planet for 20 years, he soon finds that Earth is not the same, normal place as he once remembered it to be.

“Spread your legs.”“Tsk.”A slave to the city's system, Lancel was quite literally a slave to a witch whose only love language was torture to him.After a year of humiliation in the Witch City of Riviere, he finally escapes captivity, only to discover something even more dangerous.A system that allows him to form contracts with witches… and lets him steal their magic.[Active Contract: Witch of Lust has reached Bond Level 10!][Contract Bonus: Aphrodisiac Haze!][Active Contract: Witch of Bondage has reached Bond Level 20!][Contract Bonus: Chains of Dominion!][Active Contract: Witch of Fluids has reached Bond Level 100!][Contract Bonus: Fountain of Yatagarasu!]The deeper his relationships with witches became, the stronger he grew.One bond at a time.One spell at a time.Until even the witches themselves began to wonder who was truly in control.“Take your pants off, Lancel.”…Which only left him with one question.Why did witches keep asking him to take off his pants?——————————————More illustrations in the server.Discord: https://discord.gg/zukKB2ppDp