President Wife is Pretty and Cool - Chapter 512 - Company W   

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.

“Power to accelerate Everything including time!!”.....Damien Harrier was a ruthless small-time gang leader, feared on the streets—until the night he let his guard down. The woman in his bed was a trap, rigged with a bomb by his enemies. She exploded. He died.But death wasn’t the end.He awakens in a nightmarish battle royale where thousands fight for survival under the gaze of the Master of Reincarnation. The rules are simple:Only the top 10 earn a second life.Refusing to kill means ceasing to exist.Your performance determines your talent in your next life.David fights his way through the slaughter, becoming one of the strongest contenders. Then, everything goes dark.When he wakes again, he’s not on Earth anymore. He’s been reborn in a world recovering from an apocalypse, where lords rule over crumbling territories and every person awakens a unique ability at eighteen.Thanks to his past victory, he gains a power like no other—Acceleration, allowing him to bend time itself. Armed with this ability and an evolving gun, he carves his path through war, politics, and abyssal horrors… rising from nothing to become the fastest lord of the apocalypse....want more chapters?help this book reach 50 Gt or 200 power stones for additional one chapter daily..........

The well-known and recognized throughout the Stern continent, strong and mighty, as well as the unique Wizard of magic cures, the most outstanding genius of the whole continent, Jason got into the flow of time, back in the uncivilized era during the first failed experiment, 3000 years ago. This was the period when the magic healers didn’t exist. How will Jason apply his knowledge in this backward era, wherever he reach the peak of glory?

- Description from Novelupdates