Skeleton Knight, in Another World - Chapter 18Volume 8 -

Jian Chen, the publicly recognized number one expert of the Jianghu. His skill with the sword went beyond perfection and was undefeatable in battle, After a battle with the exceptional expert Dugu Qiubai who had gone missing over a hundred years ago, Jian Chen succumbed to his injuries and died.

[Warning: Mature content, lemons, comedy, MILFs, NTR, and a villainous protagonist!]_____[Ding! Congratulations, Villain! Your survival chance is 0.01% unless you NTR every hidden boss in this world. Start now or perish!].....James Tanner’s life could be summed up in one word: boring. After barely a week of being a rookie cop, he met his end courtesy of a speeding red sports car.But death wasn’t the end. It was just the beginning.When James woke up, he found himself in Aurendral, inhabiting the body of a rich young master who had spent years blind due to a mysterious condition.Fortunately, the blindness vanished when James merged with the body, leaving him with perfect vision—and one massive headache.[Ding! Issuing First Death Mission: NTR the hidden boss in this region within 90 days… or perish.]What choice did he have? Forced into the role of a scheming villain, James Tanner was about to shatter conventions, steal hearts, and become the strongest and most fearsome seducer this world had ever known.Because if he was going to be a villain, he might as well be the best.[Note: MC takes other guys' women, they don't take his.]

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

Unhindered in the Demon Domain, the king is solitary!

In the world where immortals and demons strive, a good natured fellow sought the Demon Dao in search of justice.

At the end of his journey, he had eventually become this generation’s Heavenly Demon Emperor.

Although I am not fond of slaughter, I do not dislike it!

Desiring to see the Demon World, this is how I strive, this is how I become the Peerless Demonic Lord!

- Description from Novelupdates