Dragon Poor - Chapter 265.

A small immortal clan, with the efforts of the ancestors of the past dynasties, slowly developed into an immortal clan. This is the history of the development and growth of a small family. During this period, there were ups and downs, and there were also struggles for power and profit.

- Description from novelbuddy

She, a 21st century mercenary queen, had crossed over into a tragically betrayed body of a waste. Waste? She will show them what it means to be a waste! Betrayed? With the Ancient Manual in her hands, she will astonish all the despicable men and cheap women!

Wait! Didn’t everyone say that she was an evil woman which everyone feared? Why is his Third Highness, full of mystery and charisma, so interested in her?

- Description from Novelupdates

{Information revealed!} {These are the benefits!!} {Do you wish to steal its skills and powers?} “What the hell is this?! What am I seeing?” A Kid was flabbergasted seeing all the information about anything he set his eyes on, from beasts, Plants, and even Nonliving things. {Do you wish to steal the artifact’s Ability?} The 1-year-old child who looks like a 10 years old smiled; “I don’t know what this is, but that didn’t mean I can’t utilize it... With these Eyes... I’ll be the youngest Emperor in the whole three Continents!!” ____________ Aaron was a 30 years old man, who had gotten reincarnated four times... He made sure to be the strongest in each lifetime... A General. A President. The Young Master Of a powerful family, Who Engraved his name on everyone’s minds. A Renowned Scientist, who created the first Youth preserving drug. _______ Such a Man got Reincarnated to his fifth Lifetime As The Cursed Child, The bringer of Death and Destruction. “Can you believe that?!” _____ Will Aaron Use his past experience and show the world his strength, or be The Cursed Child everyone is so terrified of? Let’s find out.

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.