The Main Characters That Only I Know - Chapter 248:

Volume 1 (Set between volumes 13 and 14)

A series of short stories set before the events of volume fourteen including how Team GROUP was formed.

Volume 2 (Set between volumes 16 and 17)

A series of short stories including two separate meetings between Touma’s and Mikoto’s parents, two tales involving two of the Level 5s of Academy City, and other funny stories involving some of the characters.

Xiao Lou was killed in an accident and reborn in the Card World.

Each card here represents a secret room and clearing the instance will give a reward. Xiao Lou draws a card and thinks he could draw all types of equipment and weapons. As a result: Su Shi, Li Bai, Tao Yuanming… character cards keep coming one after another.

Xiao Lou, “???”

What was this escape game? What type of ghost made him keep drawing character cards?

- Description from Novelupdates

“Any who don the title of 'king' or anything of the sort in my presence is nothing more than an ignorant fool. This is my land and I shall be reclaiming it soon. I am Cacophony, the Vampire Empress!”As those words left her lips, every cell in my body reacted. It was unreal—no, it was otherworldly. Her beauty, her power, and her overwhelming arrogance. It might've been then that I realized that my normal life had ended.How did it come to this?Ah, it was curiosity. Yes, a deathly curiosity brought me to that graveyard that day.It was there that I stumbled upon her coffin. I had absolutely no clue what I was doing then, and even now I have no idea what possessed me to touch it—that single moment changed the course of history for the entire world. I found myself delving into a completely unknown world.Should I regret it? Maybe. But the truth is, I don't.Exploring the world’s hidden secrets, forging unexpected bonds, and living alongside the revived empress—it’s exciting.“Even if it's wrong, I think I'm going to enjoy every moment of it.”

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.