System Bestows me with Immortality, Living on to Eventually Become Invincible - Chapter 19 – Thieves must die

Gu Shanhai saw the great world of the heavens, and took the life of the third life.

The gods of the world forged an eternal Utopia with blood and fire.

The Red Dragon King led his knights to inspect the dynasty on which the sun never sets.

Scholars talked and laughed and swung their swords to draw thousands of miles of rivers and mountains, and strange demons opened their eyes and clawed to give birth to ghosts and monsters.

…

“Everyone is a player, you can’t call me abnormal because I don’t have digitization?”

- Description from novelbuddy

After facing her fiancé’s betrayal, things take an unexpected turn after Tang Mo’er inadvertently gets involved with the Capital’s preeminent magnate, Gu Mohan.

Fast-forwarding, Tang Mo’er clenches on a pregnancy test kit with two red lines—testing positive—and confronts him. “Young Master Gu, why did you make me pregnant?”

Gu Mohan hands a baby over into her arms. “My dearest wife, be good. That’s our second child.”

And so Tang Mo’er can only hustle and take care of her two children, but unbeknownst to her, Young Master Gu has also been coveting her love and affection…

This is a face-smacking, sweet-love novel set in the entertainment industry.

Ever since she transmigrated, she was blessed with an inbuilt anti-poison detector.

Beep beep – What? Her father’s concubine was evil and her half-sister was vicious?
Beep beep – Ah! She was in an arranged marriage and her husband did not love her?

Who cared? She could kill those evil creatures instantly with her high intelligence.

Her unparalleled beauty attracted countless suitors and her popularity topped the charts. No one was immune, even the emperors and princes were all captivated by her…

- Description from Novelupdates

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.