Toaru Majutsu no Index: New Testament - Volume 11, Afterword

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

In the post-apocalyptic era, amidst the wasteland and chaos, the great path reaches the heavens.Mad Outer Gods, uncontrollable cursed cultivation methods, extraordinary martial artists facing ominous old age... Above the starry sky, deities circle, and below, ghosts roam at night!In this doomsday scenario, Xu Shu carries the “Primordial Scroll” and transmigrates. Through a simulation game, he achieves one exclusive accomplishment after another, seeking a sliver of hope for survival.The ten-day apocalypse, the Dragon King returns, resurrects his lover, and saves the world;With a passionate and generous heart, he fights and conquers while carrying the burden of a grieving father whose child was stillborn...As more and more accomplishments are achieved, he gradually lets himself go within the simulation game.Until...A true disciple of the Female Void Palace is pregnant overnight, announcing an emergency lockdown;The long-extinct master of the White Jade Capital rises from the grave, destroys enemies with a wave and proves his Dao as a Great Emperor;A shepherd boy arrives at the gates of the Holy Temple, claiming to be Ye Su;Moreover, a young man riding a cow attains enlightenment, leaving Hangu Pass and preaching with a scroll:- The human race must strengthen itself. You may admire me, but there's no need to worship me;- Together, we punish those who claim to be gods!...Dreams reflect reality, and more and more people begin to spread his name and words across the land. Only then does Xu Shu realize that the life he simulated has far-reaching effects, like a butterfly flapping its wings!And those rampant Outer Gods finally recall the fear that once dominated them...He dies thousands of times on the path to ascension, and another night passes in the Primordial Scroll.Suddenly looking back, he has shattered both heaven and earth.“I, Xu Shu, am a crude person. My apologies, fairy!”---

On the surface, she’s a gay high school boy. In reality, she’s the hacker known as Z, who hunts criminals on the Internet. A girl dressed in men’s clothes; a master at playing games, punishing evil, and having the highest skill in seducing girls. When people learned that “he” was actually female, the entire population blew up!

Fu Jiu: “Great Deity Qin, do you have a girlfriend?”

Qin Mo puts down the laptop: “I don’t have one.”

Fu Jiu starts to seduce in a low voice: “In that case, you have one starting now. Me.”

Hearing this, Qin Mo leans over tyrannically.

Fu Jiu is dumbstruck: “Hold on! What are you doing?”

Qin Mo: “Using my privilege as a boyfriend.”

- Description from Novelupdates

Read the first chapter. You will probably like it. ;)