My Second Life in Another World - Chapter 10: Cha Hae-In’s Dilemma.

Zhu Kang, a trafficked soul, was captured by an evil organization and was stripped of his real memories. Unaware of the dangers he worked for this evil corporation as a system.One day, all of a sudden, fifteen men dressed in black started a shoot-out killing all the other systems.In desperation, Kang threw himself into a transmigration device that tossed his soul into a random world.“System 202 has escaped.... a-again.....” one of the black-clothed men said. Trembling, he glanced at their team leader.Kai Alden gritted his teeth. “You let him slip away so easily! Send me into that world. I will capture my dear System and bring him back here,”

One day, Zhang Fan, a poor medical student, receives a medical system from the future. This turns him into a new shining star in the medical field. Along the way, he must face medical corruption, competition, and infighting from other doctors, and even find time for a love life as he strives for the top of the medical field!

- Description from Novelupdates

Global changes, calamities come, and monsters plunder.

In order to resist monsters, the global data will be digitized, and everyone will get a combat occupation or auxiliary occupation through awakening and transfer at the age of eighteen, and they will become stronger by killing monsters.

Lu Yan awakened the weakest fighting professional undead mage at the beginning, but obtained the professional support system, and the second awakening concealed the professional undead monarch.

“The necromancer is crispy, and it’s gone when touched.”

“This guy is really unlucky. Although he awakens to a combat profession, he is the weakest. He can also summon a few skeleton soldiers, which is useless.”

“And the number of necromancers is very small, basically there is no experience and resources to inherit, and the future is worrying.”

“Hahaha, I have awakened the Paladins, your Almighty King is here.”

Soon after, Lu Yan was wearing undead ghost armor, holding a ghost scythe, with an army of 100,000 undead behind him, and a scythe split the epic monster in half.

You said that the necromancer is weak, what does it have to do with my undead monarch?

- Description from novelbuddy

A broken man who ended his own life finds himself reincarnated into the game he used to play. However, instead of becoming the protagonist or a powerful antagonist, fate places him in the role of a minor villain—a mere stepping stone for the protagonist in the game's first arc.