In This Life, The Greatest Star In The Universe - Chapter 253:

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.

The story is about a a hitman, Who dies because of his own recklessness and transmigrates into a game he used to play after his retirement as a hitman.I'm not gonna spoil any further, but i might answer few of your questions.Is MC overpowered?Nope, he'll become strong over time and all battle he'll fight will be because of his effort and techniques.Is there magic and adventure?Yes! It have both magic like normal isekai with adventure and fighting with monsters and many other things. There are other important things like “Essence Stone” But let's talk about it in the chapters.There will be harem?Not really, He will be in contact with many beautiful female and males but one waifu but i haven't decided yet.All i can say is, give it a try, I'll try my best to make it worth your time.

Wang Li thought dying would be the end of his troubles. Instead, it was just the beginning.After his untimely death, he finds himself reborn in a world of powerful cultivators, ancient sects, and deadly rivalries. With a mysterious Primordial Rebirth System, he has a second chance to reach the peak of cultivation. There's just one problem…All of his ex-girlfriends from his past life are here too!From the cold and ruthless Mu Yuechan, the Ice Demoness of the Frozen Lotus Sect, to the fiery and unpredictable Lin Ruoyan, the Scorching Sun Saintess, and even the cunning and seductive Feng Yuling, the Fox Demoness of the Thousand Illusions Pavilion—each of them remembers their past with Wang Li.And they all have unfinished business with him.Some want revenge. Some want redemption. Some… might even still have feelings for him.But in a world where love can be deadlier than any sword, Wang Li must navigate sect politics, ancient grudges, and divine conspiracies—all while trying to survive his vengeful, jealous, and ridiculously powerful ex-girlfriends.Can he mend broken relationships? Can he avoid being frozen, burned, or seduced to death?Or will he somehow turn this chaotic mess into the greatest cultivation harem in history?One thing’s for sure—cultivation has never been this complicated!

A Few Words : All the love that is not worth the applause is rogue and unrestrained.

Shen Qi : If you’re happy and you know it, clap your hands.

Gong : Papapa!!!

- Description from Novelupdates