Manga World: Bringing Steam Technology to the World of Sanctuary - Chapter 11: Would you believe that I just went to sleep?

[Nakseong High School, the heads of 300 people exploded!] Lee Joon, an ordinary high school student.During the entrance ceremony, he was caught up in a strange phenomenon and died.[You have died.] [Restarting from checkpoint.] [Loading…] And then a message appeared before his eyes.『Welcome to Nakseong High School that is full of mysteries and secrets.Uncover the dark secrets hidden around the school, or fight against urban legends and myths to earn points and unlock special abilities.Then, gather companions and stop the resurrection of the demon king before you graduate.The world is in your hands.』

Ronald Kuangge transmigrates into an urban novel called “The Dragon King in The World” as a Rich Second-Generation that has to properly play his role as the Villain according to the plot in order to return back to earth.After finishing his villain role accordingly to the plot however, instead of going back to earth he has dreamt so long of doing, he ends up going back to the beginning of the story where he has do everything over once again.So in order to go back to earth, he has to act like a villain according to the story once again.Little does he know this time however, the heroines have also regressed back as well...

【Ding! You have received malicious complaints from patients, and you will be rewarded with system compensation! 】

If you had a bad review compensation system, what kind of person would you choose to be? !

Chen Nan chose to be a good person.

A man who dares to tell the truth.

An upright person.

A man who is not afraid of power.

A man who never compromises.

A person who will never admit to being intimidated in the face of this group of demons and dances!

Those who hold salaries for everyone, can’t let them freeze to death in the wind and snow!

Those who control the water for the common people should not let them indulge in lakes and seas!

For the current struggler, don’t let it drown in the dust!

For the founders of the future, don’t let it go from wide to narrow!

Sad and sighing, if the good cannot end well, can the evil be even worse?

In a turbulent country, I, Chen Nan, would like to observe medical ethics, be clear about right and wrong, and be honest, so that the tragedy will never end!

If I were a doctor, I would be that upright, uncompromising, and upright doctor!

- 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.