The Ruler Of Darkness - Chapter 22Book 2:

Kusumi Chiharu gets a message one day that he has been selected as a Monster Tamer, and he is prompted to select his first partner. He thinks little of the message until he receives a giant package the following day. He assumes it’s the porn books he ordered, but the huge box ends up containing the unconscious body of a near-naked girl! She’s a ghoul named Zonmi, who intends to fight beside him as his partner.

However, it turns out that other hot girls at his mostly-male high school are also magical entities, and Zonmi may not be the only one who wants to fight by his side!

Liu Yan, an ordinary office worker from Earth, unexpectedly traveled to a strange world.

The heroes of the ages are on the side, embarking on a journey to conquer the heavens.

- Description from novelbuddy

In the Year 2030, the ground-breaking online game «Divine Realm» shook the whole world. Its system of allowing players to exchange in-game currency into real-life money attracted everyone’s attention.

A lifetime ago, Chu Xun was shackled and thrown in jail on false charges. For three whole years, he suffered extraodinary torment from his cellmates every day. Even though he had escaped death many times, he still died from his cellmates’ fists the day before he was to be released.

After death, Chu Xun transmigrated to a different world of cultivation, where cultivation was the one true path. Carrying the weight of his hatred, Chu Xun began to cultivate in hopes of becoming an Immortal Emperor, who could manipulate heaven and earth and travel through time. After painstaking cultivation of three thousand years, he succeeded. Then he sacrificed all his cultivation without hesitation and returned to the day before he was to be released.

This life, he wanted to find out the truth and the one behind his murder in last life. He would continue to cultivate and strengthen himself so that the tragedy would not repeat itself. He wanted to master his own destiny.

In this life, what people would Chu Xun encounter and what experience of love and hate would he have with them? What difficulties would he encounter and how would he overcome? The answer is the book.

- Description from Novelupdates