MTL - Extract Skills and Explore Dungeons (Random Skills: Exploring Dungeons) - Chapter 891 completely sealed

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.

“You need a legal wife. I need a husband in name. I can get him to work with me!”

A marriage certificate, she had completely screwed herself over!

“You … What are you doing! ” Jin Yan gripped the thin blanket tightly, her face was full of caution. Why did this man appear in her room late at night?!

He stepped forward with a faint smile on his lips, “Of course it's what a husband and wife should do.”

After being so long suppressed, she was furious.

Liar! Brawler! She wants a divorce!

The man panted heavily. With a bewitching voice, he said, “Alright, I’ll go out to clean up. I don’t need anything but you!”

Violence, Rogue, two names that had long since faded away from the limelight. In a new game, The Strange World, they appear once again. The two former legends, once more rise to glory.

- Description from Novelupdates

The Card Creator is a very ordinary profession. Simply put, the incumbent seals various kinds of abilities, illusions, images and so on in blank cards for convenience of use.