Confinement King - Chapter 6: Brain washing program start!

A side story series featuring the girls of Kyoukai Senjou no Horizon.

Damien's life was ruined two decades ago by betrayal: his dearest friend Ethan and sister Serena betrayed him, leaving him impoverished and broken. Damien was consumed by vengeance and spent years rebuilding his kingdom, preparing to strike revenge.His plan is now being carried out: he sends his son Nate to seduce Ethan's daughter Evangeline, with the intention of breaking her heart and destroying her family. But as old secrets resurface, Nate discovers harsh facts about his father's betrayals, compelling him to doubt everything.Meanwhile, a shadow from Damien and Ethan's past, James, reappears with his own desire for vengeance, threatening to destroy both families in the concept of killing two birds with one stone.Betrayal by Love is a compelling story about love, vengeance, and the deadly consequences of justice.Who will ultimately triumph in this battle?

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.

- Description from Novelupdates

Yu Zhengdu joined a small start-up company that claimed to offer “life management services”……as a programmer.