I Became a Gallery Manager in Another World - Chapter 152 - [NaN]:

After forming a blood pact with the Saint and Demon ladies, the good-for-nothing young boy obtained the Yin-Yang divine veins, learned the art of alchemy and martial arts, and dominated the world.The young Shen Xiang had a romantic encounter with a goddess and a witch, and obtained their supreme inheritance, acquired a divine vein that defied the heavens, learned peerless magical skills, and mastered superb alchemy techniques, which made him very successful on the road of martial arts... When he was hungry, he would refine some pills as snacks, when he was lonely, he would flirt with the high and mighty goddess, when he was bored, he would play with those martial arts masters who came to ask for pills, and when he was tired, he would let the delicate wives around him give him massages...

On the surface, he was striking and dashing, an object of envy and resentment from all men, but in secrecy, he was the formidable figure that made powerful leaders tremble. A marriage contract had brought him back to the city,In the bustling metropolis, a man fierce and enigmatic like a tiger, watch as he forged his own legend!

Liola—the best assassin in his world—has vowed to kill no more. He was being chased by an assassination organization when he accidentally dropped into a parallel universe: through a dimensional gate and into poor teenager Kaiser’s apartment. Instead of going to the government shelter for lost dimensional travelers, Liola and Kaiser wind up going to school together.

Liola has been trying his best to live the life of an ordinary person, but after certain things happen one after the other, he begins to realize that being an ordinary person could be harder than being an assassin.

They called the Vorrakyns Dragon Riders, but their legacy has crumbled into dust. For centuries, no true Dragon has answered their call.Vacuse Vorrakyn was born into a dying legacy: once-mighty, now feared and cast to the Empire’s edge.A runt. A bastard. Yet he served his family with fierce loyalty, only to be betrayed by the father he once swore to obey. Vacuse died a pawn... a sacrifice to the forbidden magic to call a true Dragon.Discarded like worthless trash.Now, he’s back.Reborn at six, memories of betrayal burning sharp and anger raging in his veins. This time, he’s here to claim what was stolen and everything they denied him.Armed with forbidden knowledge of the Dragon Pathway and the secrets to bond with a legendary beast, Vacuse is determined to rebuild the family legacy—on his own terms.