The Monarch - Chapter 583: Hypnos[2]

A master assassin transmigrates into an interstellar era.

Ling Xiao was a powerful martial expert who fell in battle and was unexpectedly transmigrated into another world. He began life anew in the body of a boy with the same name, a fallen genius of the Ling Family whose cultivation had been crippled in a surprise attack, and son to a father who had also suspiciously been crippled under similar circumstances. Armed with knowledge from his previous life, Ling Xiao aim to restore his strength and establish his place at the top of this new world

- Description from Novelupdates

Hakuto's life changes forever when his father Shin— a man with highly questionable morals—marries Kagura Kurotsuki, the CEO of a multinational company, and they move into her luxurious mansion.There, he meets the alluring daughters of his new stepmother: the seductive Yuzu—who doesn't hesitate to tease both her new stepbrother and her stepfather in ways that are... rather bold—and Rika, more introverted and irritable, yet just as sensual.But nothing is truly as it seems...Kagura is a succubus, but Rika and Yuzu are different.They were born from a demon and a vampire—something that shouldn’t be exsiste.Because of that, demons, vampires, even humans want them.But Hakuto won’t allow it.He’ll never let anyone hurt his beloved stepsisters.

— Doing good deeds brings blessings.— If actions meet societal standards, user ‘Jeong Da-on’ will have their restrictions reduced.Blessings for doing good deeds? Even if I was the Demon Lord in my previous life?It’s been 19 years since I ended my tumultuous life as the Demon Lord and reincarnated on modern Earth.I was caught by the system and forcibly turned into a Hunter. And now I have to do good deeds to regain my original abilities?“Hmm… Beating bad guys to death counts as a good deed, right?”That doesn’t sound too bad.Modern society is the perfect place for a demon to thrive, after all.