Isekai Maou to Shoukan Shoujo no Dorei Majutsu - Volume 4 prologue

She, a renowned assassin of the 21st century, actually crossed over to become Su Manor’s most useless good-for-nothing Fourth Miss.

He, Jin Empire’s imperial highness, was an emotionless overbearing demonic tyrant with unrivaled talent.

Everyone knew that she was idiotic and good-for-nothing and bullied her as they pleased. But only he, the overbearing tyrant with the discerning eye, wouldn’t let go of her even if his life depended on it.

For the time being, let’s just see how the stubborn versus stubborn clash and play out in this good show of the chaser and the chased.

- Description from novelupdates

After suffering from a heat stroke while working under the scorching heat of summer, Lu Zhou, a hardworking but poor university student, somehow becomes the owner of an advanced technological system. With the cheat given by the system, his university life changes overnight.

A Master’s degree? Easy.

PhD? Not a problem.

From a nobody, he quickly becomes a huge celebrity in the world of science. With the missions given by the system, he is on his way to winning a Nobel Prize.

“System, can points be exchanged for money?”

“No.”

“F**k, what use are you then!?”

“This system will make you the ultimate scholar, the kind that lords over all of humanity. What use will money be to you?”

- Description from Novelupdates

Betrayed in her previous life by her fiance and Sister, Claire Smith swore to take revenge on them in this her present life. She was killed mercilessly in her past life by these closest people to her.Meet Alexander Miller the cold hearted young billionaire, he has his eyes on Claire and want to keep her close and also help her take down all people who want to harm her.Will Claire ever be able to love Alex back or will only focus on taking her revenge..............As she slowly opened her eyes she found herself in an unfamiliar environment adjusting her eyes everything became clear she had spend the night with an unknown man.Alex looked at the woman o the bed who seems to be lost in her thought, remembering how the girl had unknownly offered herself to him he felt lucky that he was the one to meet her that day. He smiled planning how to make her his.Join me let's find out how Alex and Claire's story will end.

She was a famous assassin who had killed important figures, but ironically, she was killed by her own lover.And when she thought she was dead, it turned out she was occupying the soul of a young girl who was tricked by her own family.'Because I have been reborn, I will take revenge on the people who planned my murder and also teach a lesson to the people who underestimated the girl whose soul I reside in!'However, things become complicated when she has to marry a cold man, whom she spent the night with.