MTL - Age of Collapse - Chapter 1134 Infinite power

Lin Tian, who had reincarnated into the world of One Piece ten years ago met Garp, who was on duty to eradicate pirates, and become his student.

My mother is the sweet, silly, and innocent protagonist of an angsty novel.

My mother was the substitute for the overbearing CEO’s unrequited love interest who ran off when she found out she was pregnant.

As for me, I’m nothing special. I’m just the child prodigy who became a hacker at the age of five.

…

Genius hacker Gu Chu found herself reborn in the pages of a tear-jerker book.

She had been transformed into a cute little five year-old. Her mother was the tragic female protagonist while her father was the uncultured, boorish male protagonist. There were also a gaggle of hostile, opportunistic relatives and a pretentious, seemingly-virtuous but vile-hearted aunt...

Gu Chu straightened her small little frame and began waging war secretly to help her mother.

What bad intentions could a five-year-old have?

She just wanted to protect Mama.

…

Until one day...

The man who had hunted her across half the globe in her previous life suddenly appeared.

As he stared at the weeping little doll-like child in her princess dress, the man fell silent for a long while.

Power and desire, money and strength, conscience and responsibility, the road ahead is at a loss, as a time traveler, Simon, where will he go, this is a leading mainstream novel with a relaxed daily life and a slow pace

- 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.