MTL - Rebirth 1999: Opening the Age of Black Technology - Chapter 109 This operation...

A useless prince, yet brimming with kindness and compassion—his smile as warm as sunlight, illuminating this darkened era.But that was merely a mask, hiding the poisonous and mad nature beneath.A monster lurking behind a gentle shell.A system that feeds on stolen Heroines.He will outplay destiny—and rise as the world’s ultimate villain.

[Warning!!! Adult Content!!! R18!!!]All his life Damian has endured abandonment but his fiancé's betrayal with a senior associate was the last straw that broke the camels back. Shattered, Damian ended his life with a bullet to the head.[Rejoice, you have been chosen to become one of the seven potential successors of the demon lord!][Good Luck. You will need it]Instead of death, Damian is given a second chance at life but as one of the seven princes of hell. The Introduction of the system into his life turned it into something adventurous.Tasked with sleeping with virgins, seducing the righteous and spreading immorality to the entire realm, Damian is exposed to a world he never knew existed.“But wait, you mean I also inherited a three wives as well?”“What do you mean they are the jealous types and I'm not allowed to get married?”---

The Empress who dies in torture, An Rushuang is her name. After she wakes up, she finds herself has time-travelled to when she was twelve years old, but she would turn into Major General’s white horse at night. He is a general who orders about the winds and clouds on the battlefield, and she is a little girl lives in her boudoir seclusively.
She endeavors to change her fate, and he spared no effort to win every battle. They meet each other every day, well, it’s night to be accurate. Is that a dream or not? She pleads to marry the seignior to win peace for her family, only to find he is the one she is going to marry.
“Growing old with you under the same roof is my long-cherished wish”, thought them both.

- Description from Novelupdates

Jun Xie was the number one assassin in modern earth. His skills and knowledge in the field of assassination were unparalleled, his accomplishments unprecedented, his reputation terrified the entire underworld. However, during a mission to retrieve a mystical treasure, a mishap occurred…

He is now Jun Moxie, a sixteen year old super level debauchee, sole heir to the declining Jun family. A family of valiant heroes, left with an old grandpa, a crippled uncle and a debauchee as the sole heir! Accepting the world’s criticism and cold stares with a smile, his new journey begins! His life will be carved by his own will! Rise to the top! Evil Monarch Jun Xie!

“This cup I toast to those I’ve killed in my past life. Forgive me, for there is no chance for you to have revenge. Gulp!

This cup I toast to those whose life I will take in my new life. Forgive me, for you are fated to die by my hands. Cheers!”

- Description from novelupdates