God of Death: Rise of the NPC Overlord - Chapter 13 - 14: The Great Massacre

A Hentai World is a Dangerous Place, Especially if Your Best Friend is a Hentai Protagonist and You Are a Trap.

Earth has been visited by the Embryeniel records, so the world and its habitants are pushed towards the path of evolution.Strange monsters only made up by imagination appeared everywhere and the world changed into a situation of either survival or death.Jon is a normal student in Palflic university, all he thought about was finishing his school safely and is faced with possibility of been abandoned by his parents, however little did he know about himself and what the world had in-store for him.Other worlds and universes, clans and sects, people and monsters stand in his way, will he prevail or succumb to the desires of others.

Once time travels, Wei Han awakens the immortality system!

In this dangerous and mysterious world, he decided to live forever!

“What’s the point of fighting and killing? Isn’t it nice to hang up?”

“Enemy? Doesn’t exist! As long as we cut the grass and roots, I have no enemies!”

“Exposed? Impossible! As long as no one is left alive, no one will know how strong I am!”

The sun and the moon are flying like a shuttle, and the sea is changing!

With a cautious heart, Wei Han silently walked alone on the road to longevity.

A rare martial arts wizard in a thousand years?

The rare immortal cultivator?

Suppress the eternal holy land of immortals?

After all, it is no match for the passage of time and burial!

Only Wei Han sat and watched the wind and clouds surge, and finally became invincible in the world!

- 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.