MTL - Unemployed at the Beginning, I Let the Singer Come Back - Chapter 405 Susan says

A young man woke up to a world of magic and endless possibilities.He was transmigrated.Great!Only that he now had three huge problems.One, he had no memories of his past.Two, he was a villain destined to die no matter the outcome.And three, the heroines were all kinda... should he say, obsessed?Yeah, he was fucked.[Note]No Yuri.Conflicting emotions of MC due to loss of memory for the first part.Huge plot twist, so don't fall for whatever you see.NTR? Not.But probably netori.Beta MC? Big No.Harem? Yes! Don't ask me how but I'll make it possible.

The strong are always lonely, only by defeating loneliness can one become invincible in the world!Huang Xiaolong, a Direct Disciple of the Shaolin family on Earth, inexplicably crossed over to the Martial Soul World carrying the supreme Martial Arts secret text, “Yijinjing”.In the Martial Soul World, one can only cultivate Fighting Energy and become a warrior if they possess a Martial Soul. However, Huang Xiaolong, who originally had a super heaven-defying Mutant Martial Soul, was mistaken by his family for an ordinary Mutant Martial Soul during the awakening of his Martial Soul.But Huang Xiaolong, who possessed an “ordinary” Mutant Martial Soul, time and again revealed his astonishing talent, time and again defeated so-called supreme geniuses, and time and again shocked his family and the entire Martial Soul World!

When you were six years old, after watching a martial arts movie, you put your hands into the rice pile and imagined that you were practicing iron sand palm.

When you were seven years old, you were the first to greet a stranger in the new semester, and you felt that you were the diplomatic spokesperson for your class.

When you were eight, you could tell it was your parents coming home just by hearing footsteps, so you thought you had a good ear…

……

What will happen when the fantasy of secondary school when you were young becomes reality?

Ji Ruo stretched his hands into the rice pile—

[Congratulations to the host child for unlocking the achievement of Martial Dao: Iron Palm Mi Nei Shen! 】

[Acquired Martial Skill: Iron Sand Palm (first glimpse of the door)]

[The skill level can be repeatedly obtained by activating the proficiency. Heaven rewards diligence, host children, come on~]

Ji Ruo’s mouth twitched, he felt that his achievement system was not normal.

After thinking about it, Ji Ruo picked up a small wooden stick and walked to the rice field not far away…

……

- Description from novelbuddy

It’s a story about a man who got transported into a novel and possessed a slum boy. He met a noble girl and served her as a butler for 13 Years. Now the girl has already fallen from her noble life and lives in an abandoned mansion with paralyzed legs. Why did she become like that? Of course because she is the villainess in the novel.