MTL - Wonderful Life After Exchanging Fate - Chapter 79

Ling Lang is thirty-two years old and an A list movie star. He is also the youngest to become the king of the silver screen. Known for having a cold and aloof disposition, people nicknamed him king iceberg of the silver screen. His biggest secret? He is a masochist down to his very bones.

- Description from Novelupdates

“Welcome to the Cosmos of Madness!”

Said a man with long red hair and piercing golden eyes as he descended from the stars.

“You have been chosen for a great purpose! Task! Mission! Destiny!”

He shouted dramatically as countless worlds heard his every word, from the lowest peasants to the mighty entities in the lofty palaces in the Higher Dimension.

“All of you accept your destiny as a sacrifice to Daemon Sultan, Blind Idiot God, Primordial Demiurge, Azathoth!”

And then Apocalypse descended.

***

Follow the journey of self-named Samiel Zentaur, a half-mad worshipper of the Outer Gods, on the Path of Transcendence and in his path to find himself.

Jiang Pengji got something called the Court Intrigue Stream System.
System: “Your goal is to become the most prestigious woman in the kingdom (the Queen)!”
Jiang Pengji: “Okay, System. No problem!”
Years later, she met the target by becoming the most prestigious woman (the Empress).
Jiang Pengji: “Well done, no?”

- 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.