The Beginning: Simulating the Apocalypse - Chapter 57

Jade Hunter? The man which many women want to meet? If she really was a girl, then if she were to dress in a female attire… wouldn’t she look beautiful and refine? She is his fiancee? Could it be that she disguised herself as a man to avoid marriage? She would rather go catch thieves and hunt for bandits than to marry this wangye?

No, he will not let this happen! She is bound to be his!

For the arrest of a bandit, she became the hostage and jumped off a cliff? Dead?

…Nonsense! He does not believe! She is destined to become his wife, and he will find her…

Found her!

Although she repeatedly denied and repeatedly avoided him, he will find a way to let her fall in love with him!

Takebayashi Ryouma, a 39 years old man with hidden past, found himself in a strange white room. The gods tell him that he has died and that they are sending his soul to a different world, a world where magic exists. After living alone for 3 years, his gamer soul loses its common sense and starts along crazy routes.

The notorious imperial court lackey and the meritorious military general were well-known for their mutual dislike, a pair of arch-enemies set in stone. Who could have foreseen the unexpected change in the winds of heaven: the general injured on the battlefield, both legs disabled, and even forced by the emperor to marry his nemesis.  

With one marriage edict, two people with mutual hostility are forced to marry and live under the same roof. Yet after these long days together, they come to the realization that this fellow is not truly devoid of any saving grace/unattainable and high out of reach.

- Description from Novelupdates

A girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.