As Sukuna in Invincible - Chapter 54: The End of this Second Beginning

After you’re awake but find yourself looking like a character in a game and came to a strange place, is this a different world or a game? Is it a rebirth or a cross over to another world? Everything needs to be explored by yourself!

- Description from Novelupdates

Every human has their Personal Jewel of power, when awakened it can either be an Elemental Jewel or Physical Jewel. They circle the right and left wrists like bracelets of power.

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

Betrayed and butchered by his treacherous best friend, Carlo's soul was consumed by an insatiable thirst for vengeance. Reincarnated into the body of Eduardo, a lowly servant, he vowed to dismantle the ruthless Mafia empire of Marcello Diabolo, the monster who orchestrated his brutal demise.But plans went awry upon meeting Marcello.“You're mine, Eduardo. Why don't you spread your legs for me”Eduardo's resolve wavered as Marcello's seductive pull intensified.“Run, and I'll catch you. You'll never escape my bed” Marcello warned.“I need you inside me, not once, not twice, do it until I break”Torn between revenge and desire, Eduardo's secret threatened to expose him. Would Marcello's obsession endure, or would Eduardo succumb to his enemy's passion?Will Eduardo's quest for vengeance consume him, or will Marcello's fiery passion reduce his resolve to ashes?