DxD: Matsuda? - Chapter 115: Take In A Stray?

[You have entered the dungeon at Gwachun Station’s 1st Exit.] When former high school student Kang Woojin finds himself returned back to Earth after being forcibly summoned to a foreign planet for 20 years, he soon finds that Earth is not the same, normal place as he once remembered it to be.

She was a peerless genius in the way of medicine, holding the Medicine King Cauldron in her hand.

Once she transmigrated, she became a lowly little medicine slave in dispensary.

Physicians made her life difficult, princesses humiliated her, even her fiancé came knocking on her door to break off the engagement?

What was that?!

However, she had the cauldron in her hand; the top-notch medicinal herb was in her hands. She stole rare and precious herbs, punished the slanderous, plotted against the petty, treated the Emperor’s sickness, and saved the Crown Prince.

Then, the imperial edict turned the medicine slave to a concubine and received endless doting. It was unbreakable. Wait… didn’t Prince Jun, who wielded great power in the imperial court, say she was a a detestable individual?

As the saying goes, the concubine was good in the way of medicine.

However…

- Description from Novelupdates

Forget about moving to the other side of the world and starting over.The Apocalypse is here!As the only survivor of the Tutorial Quest in his area, Elijah awakens the Class of “Depraved Hero”, an ominous-sounding Class with a Legendary Rank!Additionally, because of the insane difficulty as well as his Clear Rank, he gains the Skills that, according to the mysterious figure that is the Administrator, he needs most.[You have Developed the Skill “Absolute Authority[A]”.][You have Developed the Skill “Slave Mark[C]”.]

A young man plagued by recurring nightmares finds himself visiting a blind fortune teller, who sends him to a world of martial arts that looks a lot like the wuxia stories he used to read.

In the sky of this world, a tome shines every now and then, revealing the hierarchy of mighty beings that seek power amid troubled times. Determined to unravel the mysteries of his involuntary journey and the secrets of the world he has ended up in, he endeavors to ascend the tome’s rankings, all while looking for a path back home.

Official Chinese blurb

Wandering the jianghu with a blade and wine, where beauties’ grace is filling one’s mind.

A youth, saber on his back and wine gourd at the waist, strides forth, yet the jianghu of his heart seems only more elusive;

With each flipped page of the Tome of Troubled Times, decades of nights soaked in rain pass over the jianghu.

As he suddenly turns to look back, he finds that the mortal world has shattered in his wake.