Inside The Black Mist - Chapter 91 - Borrowing a Knife to Kill

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

She thought she was dead but she woke up inside a novel – to an extra who will die a year later.Not wanting to die like this, Alexa decided to tame the male protagonist in the form of a dog. Two years from now, the male lead will return to his human form. In the meantime, she was thinking of leaving the Grand Duchy after receiving the right pay for doing them a favour.The problem is that when the male lead returns to his human form, he forgot all his memories.“You have to remember me, okay? There’s no point in looking so cute. Promise me!”She told him many times because she didn’t want to mistakenly die by the male lead’s hands, who became a villain.But,“You told me to remember, so I remembered everything. Alexa.”Ysildus unbuttoned his jacket.“If there’s no other way to return that favour then I have to pay it with my body.”A cute puppy that grew up into a weird wolf.Damn, what did I raise?

Dragon 5th is a powerful lord with incredible martial arts, and yet is wasting away from a fatal disease. The only medicine which can cure his sickness lies in the clutches of his venemous ex-wife, Madam Lovesickness, and is guarded by 7 dangerous killers, fugitives of the martial world. To retrieve the antidote, Dragon 5th hires Liu Changjie, a skilled martial artist who loves drinking and women, but has a mysterious past. All is not what it seems in this wuxia heist story.

An unnamed 34-year-old Japanese NEET is evicted from his home following his parents' death.

Upon some self-introspection, he concludes that his life was ultimately pointless.

Walking down a street he intercepts a speeding truck heading towards a group of teenagers, in an attempt to do something meaningful for once in his life he manages to pull one of them out of harm's way before getting himself in the way of the truck and dying.

Awakening in a baby's body, he realizes he has been reincarnated in a world of sword and sorcery.

He resolves to become successful in his new life, discarding his past identity for his new life as Rudeus Greyrat.