Honkai Impact 3rd : This is My Revenge - Chapter 36 - 035 : The Curtain of the Finale

As the era of dragons gradually came to an end, as arcane masters left countless riches and legends under the starry sky, one awakened youngster after another began to set foot on their journey.

Reborn in World of Warcraft : Mastering All Beauty

For the sake of the world, the Protagonist must die.“I... I think I like--”Whether you’re just a girl who fell in love with the wrong person.“N-no...! If I can go back... just one more time...!”A man who regresses to save the world.“Hero... Please, kill yourself.”Or a destined Hero chosen by the Goddess Herself to kill the Demon Lord.No matter what your purpose is, no matter who you are.Even if the whole world and everyone close turns against me...[The target, ‘■■, the Hero’, has been dispatched.][Contract complete.]...The Protagonist cannot be allowed to live.

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.