She was born into a wealthy family - Chapter 634 - was very clear

[ this article is sweet and pampering, and it's all over. I recommend this new article: Cheating Daddy: Mommy, LET'S ELOPE! ]

If you had a chance to live again, what would you do? Earn money, hold onto a thick leg, just find someone to live a happy life with? Ha ha… Stepping on the beat of the times, riding the wind and breaking the waves, strategizing, using your knowledge to change yourself, and everything around you, come back! The reality flows to the plot, the golden fingers are thick, slow, and cool.

- Description from Novelupdates

The daughter of the Su family who has been missing for more than ten years has been found!

It is said that this daughter is a bum who doesn’t understand anything…

The owner of a luxury store of an international brand: The royal designer of a luxury brand, you say she doesn’t understand anything?

Some people say that she is an illiterate female who has not attended school for a day…

Retired professor of a university: My favorite student is illiterate? ! What are you? Is it rubbish?

At the banquet, Shao Pei put his arms around the shy person in his arms and said to everyone: My family Xixi is gentle and soft-hearted, don’t bully her.

A certain rich second generation who was maimed by her and was still lying in the hospital: … Pei Shao, you may have misunderstood the word gentleness.

- Description from novelbuddy

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.