The Undead King of the Palace of Darkness (WN) - Chapter 16: The Arrangements

Before going to college, an ordinary high school student went to celebrate and got drunk. When he woke up, he found himself in a completely different world. There was a big sect, the approaching sect entrance examination, a slum where his body’s previous owner lived, and a shared memory about a missing young girl.

When he got tangled in a fight with a few punks in this different world, he fell off a cliff and miraculously found himself still alive, with two more voices ringing inside his head. They were Sword Master and Saber Master. In the company of them, he continued to find out more about this whole new world. He took the sect entrance examination, entered the sect, met a strange man in black, and even participated in a major competition of the sect to have a chance to win over his peers!
In this whole new world, he was born again and got to explore the fantastic martial world!

- Description from Novelupdates

People called him a genius—but Agares never believed it.Tired of expectations, he abandoned everything to live an ordinary life, working just to survive in a cruel world.But fate had other plans.A sudden transmigration took Agares into a world of swords and sorcery—a land ravaged by demons, ruled by power, and merciless to the weak.To his shock, he awakens as one of the Chosen Heroes. Sounds like a dream come true?Wrong.“That's a cursed job!”“He's no hero—he's a demon in disguise!”“Kill him! For the sake of the world!”[DING! Congratulations, you have obtained a Job.][Name: Agares][Job: Saber]Hunted by the empire he was meant to protect, feared for the power he never asked for, Agares finds himself branded a threat to humanity. All because of a job he didn’t choose.Just as the noose tightens, a red-eyed woman named Liel offers him a different path:“You were born to be more than their hero.”“The empire betrayed you. Humanity rejected you. Even nature turns away.”“Why not embrace what they fear —and become the successor of the Demon Emperor?”Now, Agares has a choice: run, or rise.This is the beginning of his war.A war not just for survival —but for vengeance.

“I'm going out to do something, so I can't take care of you any more. You can go down the mountain and have fun. But if you can't find someone who matches your Innate Pure Yang Body in three years, you're finished!”These were the last words the old man, who was Lionel Yeager's teacher, threw to him before he vanished. Meanwhile, having mastered most of his master's skills, Lionel Yeager went down the mountain and took his first step into civilization for the first time in years.With his unparalleled medical and martial arts, he sets forth on a journey, befriending new allies and crushing all the enemies that stand in his way, as he attempts to resolve his Pure Innate Yang Body constitution, and cultivate to the top of the world!

Reina Suzuki was an overworked office worker—until she died and woke up as Lavinia Devereux, the infamous villainess princess of the Elarion Empire.She knows how this story ends: she’ll drink poison and die. A painless, easy death. So why bother changing fate? Villainy, revenge, redemption—sounds like way too much work. She decides to do absolutely nothing and let the story play out.But her terrifying father, Emperor Cassius Devereux, won’t ignore her like he’s supposed to. He watches her, questions her, and—worst of all—starts acting like he actually cares.Lavinia just wanted a quiet villainess retirement… so why does everything keep changing?