The Substitute Bride and the Cripple - Chapter 17 - Imbued in Her Heart

[Beef buns: Can effectively replenish physical strength, enhance fitness, and are safe to eat.]Hungry Tain Lin looked at the cow dung in front of him and couldn't help but fall into contemplation.Is this cow dung or a beef bun?To eat, or not to eat? This is a question.

*Fast paced fast slapping modern novel*Jiang AiLin, known as Miss Fox. Why was she called as Miss Fox? It's because she had killed someone while pretending to be the only daughter of the famous Jiang Family.It turns out, from a young age she was pretending to be the daughter of Jiang Family. When her identity was revealed, instead of apologizing she burned the whole house of the Jiang Family, causing for someone to be killed inside the fire!Heinous! Heinous! Everyone in Beijing had at least heard of this story once, especially the socialites who look down on her for being a Foxy woman whose true self was merely filled with hatred.But that woman had walked out of the prison after serving for six years.And... And she had caught the best bachelor as her lover! The eldest son of the Li Family, Li ZiChen.But she didn't come alone. She had came back with a revenge plan, to pay blood with blood.Yet why does this man knowing the people she had killed still agree to love her?!

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- 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.