I Need Wives For My Gacha System - Chapter 3 --

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

He kept her by his side, never letting go! “Please, can you let me go?” “Impossible,” he said, “unless you're no longer my only one.” After they fell in love, he declared possessively, “I want to keep you by my side, to make you belong only to me. You can only love me too, your mind, your world, must be filled with only me.” Yet his domineering love sent a chill through her.

The Domain Of Gods exists!

For years, Cain searched for ways on his Modern Earth to travel to the world where beings akin to Gods roam about. Nobody believed he could do it, but Cain never gave up.

And after so many arduous years, he finally created the ritual that would transmigrate him to the Domain Of Gods!

When the ritual had actually worked, Cain should've been positively elated. He even managed to transmigrate into the body of a genuine Dragon Prince. But, there was one major problem.

Despite being the grandson of a Dargon God, he had zero cultivation for 18 years of his life!

But, instead of feeling despair or cursing his luck over such a cliche scenario, Cain welcomed this problem with a maddening smile.

Who cares if I have zero cultivation?! I will become a free reign expert no matter the means!

In a modern world, a professional assassin was murdered by her beloved and found herself revived in an ancient world as a general’s daughter with a weak physique. She was engaged to a prince, but because she did not have a nice appearance, her fiancé and sister attempted to kill her. Although she had to struggle to survive, there were also those who unconditionally loves her that supported her in her time of need.