Isekai Maou to Shoukan Shoujo Dorei Majutsu - Volume 6 Chapter 2 part3-4

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.

She, the “godly doctor” of an assassin organization in 21st century, transmigrated into the body of Yun Family’s abandoned, good-for-nothing Ninth Miss. Good-for-nothing? Then she’ll let the world see what a real good-for-nothing looks like. Summoners are legendary? Nothing is impossible in this world! She’ll become the first Magical Summoner.

He, the third prince in Long Xu Kingdom and the mysterious, behind-the-scenes owner of Zhou Dynasty’s monopolized business, seemingly handsome and uninhibited, is actually brutal and merciless.

The world knows her as a sickly good-for-nothing and her standing is as low as a servant’s, yet she solely dominates his heart. Trickery, schemes, overbearing, seducing… an exhaustion of methods, all to capture her heart. The scheming couple supports each other, producing stories about enmity, love and win-win cooperation.

Read to see how they stand side-by-side at the peak of this extraordinary world.

- Description from Novelupdates

As soon as Qin Feng opened his eyes, he was horrified to find himself lying in a drafty thatched hut. The problem was that he was still in his villa! What was even more horrifying was that there was another man lying under the blanket next to his legs!

“You, you, who are you?”

The man quietly sat up, exposing his upper body. He looked at him fixedly for a moment, then took a broken bowl from the table by the bed. He said in a muffled voice, “Wife, drink this water.”

Qin Feng rolled his eyes and fainted. Without permission, it is forbidden to reproduce or adapt it. Violators must be investigated.

Working as a henchman for his childhood crush hasn't been great.

But Sam is a hopeless romantic. Even though she's a failed supervillain, he decided to work with her so that he can at least stay by her side.

Although things began to change when Kiara, his childhood crush, started developing feelings for a particular young man.

Now if it was just any other guy, he would've met with some unfortunate 'accident' already but the guy in question was none other than the son of the strongest superhero himself.

Starboy aka Anthony Willburn, the reason for all their failures up until now; and she decided to fall for THAT guy!?

Sam couldn't accept this absurdity and decided to ruin his love rival's life by embracing his destiny and rising as a supervillain himself.

Set in a distant future where only the chosen few are graced with superpowers, the story will mainly focus on the perspective of our protagonist as he will enroll in an academy of superheroes to get close to his love rival and find his weakness all the while maintaining his life as a supervillain.