From Nun to Real Heiress: Expert at Turning the Tables - Chapter 1618

You have a new wish order.

[Wanshiwu Ayin wants a large sum of money to repay the debt, and the reward is Shiraiyasha’s combat experience]

[Gourmet hunter Alu wants to taste delicious ingredients that he has never eaten before, and the reward is a gourmet cell]

[Demon Slayer Squad swordsman Zuihei Inosuke wants a precious sword that cuts ghosts like mud, and the reward is the beast’s breathing method]

[Illya wants to summon the strongest servant to win this Holy Grail War, the reward is the Little Holy Grail]

[Valkyrie Brunhilde is looking for the strongest human being. In order to defeat the gods, what is the reward? ? ? 】

. . . . . .

Gustaves Abel has responded to prayers from various worlds countless times.

Although he is a mortal, he is like a god.

One day, when he suddenly looked back, he realized that he had already stood on top of the world.

And everything in the story has to be told from the boy who escaped from the white town that day…

(Old Faceless returns to Pirate’s new work, let us set sail again!)

- 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.

Traveling through the world in the book, he also became a dog-licking villain. Fortunately, with omniscience and omnipotence, Su Hao successfully reversed his fate.

Su Hao set a small goal for himself, to play the villain well first, so that the heroine would hate him, so he directly took the drunk CEO Bingshan to open a room, and forced him to be afraid, but the heroine in his arms not only did not dislike it, but Eager to try you…

- Description from novelbuddy

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.