High School DxD - Volume 25 Chapter 7-3

Su Yao passed through and traveled to the Marvel world to become a mutant. He was still in the experimental base. He expressed a little panic…

Fortunately, at the critical moment, the mutant ability ‘imitation’ was awakened to imitate the opponent’s ability!
…
Imitation object→Orochi (title: Sun God, Will of the Earth)
Imitation object→Wanda (title: Scarlet Witch, owner of chaos magic)
Imitation object → Sun God…
…
Professor X: “We must find him as soon as possible and guide him to control his power to avoid causing irreparable disasters!”
Magneto: “You are my child???”
Thor: “Brother?”
Loki: “?”

- Description from novelbuddy

«Abbot Xinzi, by decree of the Celestial Grandmaster, hunt down the protagonists, snatch their women and destroy their destiny!»

In a world where demons walk among men and mystical beasts run amok, Xinzi, outer disciple of the White Immortal sect, must compete against his peerless senior brother to become the Sword Fairy’s dual cultivation partner. Failure isn’t an option.

But when the truth of his mysterious past resurfaces, and his identity clashes with the succeeding protagonists, will our monk hold on to the last embers of his humanity or sink…into utter depravity?

Follow Xinzi as he subdues the succeeding protagonists, corrupts their beauties, and bestows green hats on the path to attain Sainthood and establish a Paradise of Faith in Debauchery.

Being able to learn any skill immediately, and just by raising its proficiency, stand at the summit.

He is the World Chef Association Honorary Chairman, having the title of the World Chef God.

He is the greatest composer, pianist, and conductor after Beethoven and Mozart.

He also has the title of Underground Racing King, Fist King, Gambling King, Giant of the Stock Exchange Market, Arm of the Industries and King of the Skies.

He who has a miraculous learning ability and can stand at the apex of all things if he so wishes for it, the Omni Genius.

- Description from Novelupdates

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move: