Naruto: Reborn as Orochimaru - Chapter 312

In the King’s game, the [King]’s order is absolute and has the power to create rules. As the owner of a special physique, Gu Huai was selected by the system to participate in the game. “Win the game and become the [King], and you can obtain whatever it is you desire.”

- Description from Novelupdates

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

A 29 year old civil employment exam student wakes up in a blank white room and meets a baby angel. This baby angel informs him that he died in his sleep due to heart disease like his father and grandfather. Remembering his mom and their last conversation he says that he will take on a series of life and death tests that the baby angel offers him. From this point on he must put his life on the line and fight in the stage called ‘Arena’. And Every time he clears a test he will gain abilities and weapons to increase his strength. All to clear the tests and get his life back. This is his story of his fights in the ‘Arena’.

“Chantelle Bently, you’re a murderer! Why are you still alive? You should have been the one to die!”Daniel shoved her away furiously, his face as dark and empty as the black suit he wore.Chantelle was caught off guard and lost her balance, falling hard onto her pregnant belly.The pain was unbearable, and she cried out as her body trembled.Chantelle shook her head desperately. “I told you, it wasn’t me! It was Kate!”In a trembling voice, she pleaded, “Daniel, how many times do I have to say this before you believe me? I didn’t betray your family or the Wilson Group Of Companies, and I didn’t cause your grandfather’s death.”Anger and resentment appeared in Daniel’s eyes as he threw the divorce settlement in Chantelle’s face. “Sign this now! From this day forward, I’ll make you pay a thousand times for everything you’ve done!”The sight of the document struck Chantelle like a dagger to her heart.Her whole body froze as if she had been cast into the icy wastelands of Hell.****Her twin sister framed her, and her perfect family was destroyed on Christmas Eve.Things got worse when her husband handed her a divorce agreement. A month later, rumors spread that she had died in prison from depression.Six years later, she returned with a new face to take her revenge. She was beautiful but dangerous.Daniel felt both devastated and irritated when he saw the mysterious woman. She had the same name as his dead ex-wife, whom he hated most and the one he believed was responsible for his grandfather’s death.Despite his anger, he couldn’t deny the strong attraction he felt toward her.In fact, he was fatally obsessed and addicted to her, and the anger that had controlled him for six years slowly started to crumble.