NEET Receives a Dating Sim Game Leveling System - Chapter 838 - The main character of a dark-themed light novel!?

I was a 28-year-old researcher in Japan, and before I knew it, I have been reincarnated in a fantasy world.

Furthermore, I had a half-spirit father and a spirit mother.

An aunt who is deeply attached to father, cousins who are problem children. Girls who cause awkward situations as in an otome.

Furthermore, in order to gain the affection of a love interest, a cousin even had a word battle with a king!

I am very busy helping humans as well as spirits!

And when I find people who are targeting my father,

「I’ll crush you.」

The cheat protagonist deters those who aim at her family. This is such a story.

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

A powerless woman’s worst nightmare is marrying someone against her will. When those who are supposed to protect her betray her in the vilest of ways, Leonor is forced to marry a Duke known for his cold nature and repulsive appearance. After a miserable childhood, it shouldn’t have been a surprise to her that her future was never truly in her hands in the first place.Duke Desmond de Montclair was nobody before the war. He garnered the King’s favor by doing the impossible in battle. Unfortunately, any achievement is eclipsed by his appearance and unbearable personality. In a kingdom that idolizes beauty, there is no room for someone like him.At first, Leonor finds life with the Duke to be what she’s used to - walking on eggshells and never speaking what’s truly in her heart. Eventually, things slowly start to change as the Duke learns about the horrors she faced while living with her family. His power becomes the key to her revenge.However, in a moment where she feels cornered, Leonor confesses to the Duke that she’s in love with someone else. The progress she has made with the Duke comes crashing down around her.Will her magic abilities be enough to convince the Duke not to throw her out? If she can make herself useful to him, perhaps she can gain his sympathy somehow…

The issue that originally preoccupied Tang Xian’s thoughts was whether, amidst these world-destroying bosses, he should be a hero for just a second or continue to pretend to be a boss. Later, he realized that, in the midst of pretense, he had actually become genuine...