Kaiju Maker in Another World - Chapter 312: Wind and Cloud Mantra

A Federation Colonel with abnormal thoughts was locked in a dark room and met a little looney.

“Your whole body emits a scent that I dread (covet) and fear (desire).”

A frigid Colonel X little looney roommate: A sweet story of interstellar travel

- Description from Novelupdates

I thought being laid off from my job was the greatest of my worries but I just had to wake up in a ship's cockpit after my space game crashed. Now I have no map, no friends and no money.But that's ok, I've started from the bottom before! With my starter ship I will scour through space as a Mercenary and maybe even start up a Mercenary Company while I'm at it! This ain't my first rodeo in space after all!Except... Apparently my crew members are weird?The guy who bumped into me yesterday was found sliced up and floating outside the space station.The girl who tried to honeytrap me was reported missing with only a finger found in an alley.And then that merchant who scammed me had his entire ship blasted into bits by unknown vessels the very next day.Some people say my crewmates were behind it but they must be mistaken, right?I only know one thing for sure...In space, no one can hear you scream...

At the age of 15, He Jin found himself a “husband” in an online game, their love was filled with loving affection and sweetness. However, because his study was being interfered with, his parent cut off the internet, he didn’t even have a chance to say goodbye and had to disappear from the game.

8 years later, the online game in the past was about to come out with a revised edition and turned into a virtual reality game. He Jin decided to login again and unexpectedly discovered that his “husband” had become a powerful player and ranked number one in the whole server, moreover, he had not divorced him!

However, the husband that was abandoned by He Jin for eight years, his initial impression of him was that of a pure boy, but now he seemed to somehow have become…….a little evil?

- Description from Novelupdates

“I want to be a true demon.”

A boy not older than 20 years wished as he looked at the sky.

After suffering from the trauma for many years, he finally gave up on life.

People called him ugly, demon, and hideous.

He bared with it, but today he finally broke.

With a piercing pain in his chest, he died.

When opened his eyes, Logan found himself in another world and inside the body of a demon.

His wish was granted, but at what cost?

He had no power and was the lowest among the demons.

No one to help, no one to be with him.

But it did not affect Logan. Because he had something else with him.

‘Sin and Virtue System.’

Guiding him towards his goal to become a true Demon.

Logan’s conquest has begun, so be a part of it.

Otherwise, you will miss him.

The true Demon!

However, is the MC the 'only' one to have a system?

Hm?

Read the fucking novel and find out!