The Tyrant Empress is Obsessed with Me - Chapter 51:

[Requirement for aspect awakening has been met.][You have acquired a new aspect.][Aspect (King of territory): A legion of soldiers under your command, do as you wish with them.]...Alex lived a terrible life as a beggar, spending most of his time wandering the streets and begging for money.But after his death, rather than passing on to the afterlife like he expected, he was reincarnated into another world as the third prince of the Astrodial family, Sylus von Astrodial.Marked by the stars, Sylus soon found that he was the main light of the family; he alone had awakened the rare star everyone was dying to have.[The star of Catalyst.]Because of this, everyone loved and cherished him, giving him the nickname Child Prodigy of the Astrodial family.With his intellect and knowledge of the former world, Sylus continued to prove himself as a true heir of the throne.Building and governing his territory to be the best while also reinforcing his position to take the throne.Greedy nobles, self centered siblings and crazy cult, Sylus doesn't mind.“This time, I’ll do everything right.”Everything was working out for him.Little did he know that blessings also come with a curse and a slight drawback.[You have received the title Fated Prince.][Your fate has been maxed out.]

One day, I was given the mysterious power of Hwanmong.

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.

Wei Yuewu is the unloved daughter of the powerful Marquis Hua Yang. On her way back to the capital city to marry her fiancé, she becomes the target of a ruthless assassination led by her fiancé, Marquis Jing Yuan. With the help of the Prince of Yan State, she narrowly escapes from one disaster after another and returns to the capital. Determined to avenge her enemies and unravel the mystery surrounding her engagement with Marquis Jing Yuan as well as the death of her mother, Wei Yuewu makes a deal with the Prince of Yan State. However, just as she has triumphed over all her enemies and is about to reach the acme of her life, she deliberately destroys her own future and becomes an exile of her own…

- Description from Novelupdates