The King of Faries is now a Demon Lord - Chapter 11: Every Action has a Reaction

Zhang Yang, the office drone, spent his days slacking off with the campus beauty and his nights watching his sister-in-law practice leg lifts. His girlfriend Xiao Man watched him every day, falling deep in thought... Until one day, while straddling Zhang Yang, she unleashed a soul-searching interrogation, “Why did the dean bow to you? Why did the richest man gift you a villa? Why did the tattoo-covered big brother kneel before you, begging you to take his wife?”

The grand master of Shape-Will Fist, Ning Wufeng, was brought to the Divine Land Continent by a mysterious scroll. In this world, he was an abandoned child and appointed by his family as inferior leader of a small fishing village because he was unable to open up his Spirits Aperture and begin his cultivation.

However, he seemed destined to open up his abandoned with the memories of previous life integrating into his mind. And the scroll guided Ning Wufeng into a vast mysterious hidden world where he was bestowed divine weapons and acquired supreme skills of cultivation.

Deafening thunder indicated the immense changes in the movement of winds and clouds. In a world where people worshiped martial arts, how could the teenage loser be the master of his own destiny? How could he wield his power to control the world, making gods and demons tremble with fear?

- Description from Novelupdates

The protagonist, Winnie (文尼), confesses his love to his childhood friend—the princess he’s been secretly in love with for years—but is brutally rejected in public. His heart shatters, he’s humiliated and ridiculed, and he collapses unconscious. When he wakes up, he vaguely remembers his past life’s memories and realizes he has transmigrated into the world of an otome game he played before. At first, he’s thrilled, thinking, “Nice! I must have been reincarnated as a villainous side character who disrupts the protagonist’s romance, right?” But then… surprise! He’s not just the villain—he’s the “Saintess”!

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.