Otherworldly-Cultivator - Chapter 1: +Must Read+

In the post-apocalyptic age, men were damned.

Five hundred years ago, the world was awakened, bringing dungeons, mythological beasts, new races, and lost continents to the surface. It also brought the opportunity to awaken and become strong, but not everyone had that opportunity.Elliot is one of those young people who yearns to become an Awakened One but has not yet succeeded.Despite that, he is different.His desire for power is so strong that he never becomes discouraged despite being mocked and despised by the world for belonging to the group of those Rejected by the System.He still longs to become an Awakened One.His desire for power is so intense that when the long-awaited day arrives, he shakes the foundations of the world, allowing him to become one of those acclaimed Awakened, receiving an amazing and unique class.Although powerful enemies surround him, his intense desire for power will allow him to look beyond what his eyes can see as he rises above the world and achieves Glory.

The doomsday fell upon the earth when a dragon coffin sealed under a snow mountain for ages shifted, and the civilization of gods and devils began. The whole universe turned into a fantastic new world where everyone could rise to the top through cultivation. A lucky young boy seized the opportunity, and started his journey to be an overlord in cultivation.

- Description from Novelupdates

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –