As Sukuna in Invincible - Chapter 36: Battle Between Beasts

[Warning! The MC here is the literal incarnation of evil and madness throughout the story.]Valtar Titanblood formerly known as Ethan Martin on Earth was struck by an unimaginable tragedy and took his own life at the end, his whole life filled with misery and incompetence of his own doing.Then he transmigrates to a world of infinite proportions and power that defies logic, this new world which is filled with Dragons, Titans, Ouroboros, and countless more bloodline creatures and mythical beings, also powerful humans who are known as Mystic roams here as well.Valtar in this new world has the Karma System and the bloodline of an unknown titan running through his veins, with these powers in hand he who was supposed to become the symbol of justice and equality decided to become the paragon of madness and evil.He who had the tools to become the Judge of Truth and the figure of Respect chose to become the arbiter of chaos and the embodiment of fear.

[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.

As Wanzhu Corporation’s number one assistant, Lin Hui was, without a doubt, an incredibly outstanding individual.

The CEO trusted him. The employees relied on him. Their business partners appreciated him.

Lin Hui’s career was like a duck to water. However, he had been secretly in love with his boss for several years.

Just as he thought his life would continue like this forever, he and his boss accidentally…

Within Wanzhu, no one could say no to Assistant Lin. Not even the CEO.

- Description from Novelupdates