Divine Emperor of Death - Chapter 2185: The Ninth Floors Treasure

Arriving in a new world where the steam industry was booming, he inherited a three-story apartment on the capital’s royal square, took in someone else’s cat, and listened to the whispers at his ear, ready to witness this mysterious and bizarre era. The epic of the Sixth Era was about to commence, and behind the curtain, The Chosen One was destined to step into legend. Old Gods, Relics, steam, witches, detectives, ancient secrets, the Era’s brilliance... “Would you like to play a round of Roder Cards?” Time engraved the hours, as Silvermoon illuminated the shadows. I compose your legend, you whisper your verses to me.

A martial art expert from the Song dynasty lives like a Phoenix that can live again in another body after death. This time, he happened to take over the body of a Japanese high schooler who is also a victim of bullying and has a bit complicated family circumstances.

- Description from Novelupdates

Three years ago, the sky split open to let in toxic blue and black mist that swallowed the world. Now, inside the last city standing, surviving meant obeying the brutal laws and ranking, or becoming the monsters outside.Maeve Lester, spent the last three years on her knees, as a rankless slave in the city of Kargahart, until she finally became an omega, approved to serve the elite with whispered promises of freedom. She was ready to start her life at the Parthenn dome, until she met him.Valden Malawitt.Her first love and the man who shattered her heart three years ago. And who doesn't even remember her anymore.But Valden wasn't the only one watching her closely. And not the one she ends up being chained to unwillingly.When secrets of the mist are revealed and Maeve discovers more about herself and her wolf, she's torn between the need to hunt, to destroy or to succumb to her desires.

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.