Reincarnated as a demon inside a dungeon - Chapter 218

Xiao Ze, who was dedicated to the people and vowed to become a generation of Ming Jun, accidentally fell on a little lady.
The little lady was born beautiful and lovable.
So Xiao Ze accepted his life and got the name of fear.

ps:
①The male protagonist has no concubine, and he is dedicated to serving the country.

- Description from novelbuddy

An alien spaceship invaded and unleashed terrifying monsters on Earth. The enigmatic invaders gave humans a chance to fight back with a system and classes, but John is stuck with the NTR Rogue class.Now John's only way of getting stronger is by completing tasks related to stealing other men's women. John's life had been a cruel joke, and this new apocalyptic world might just be what he needed.----This is a “netori” story where John, the main character, steals women from others. There is no NTR towards John.Check the Discord server for illustrations: The link is at the bottom of the first chapter. Removed from here because of bots.

He was a Martial Arts prodigy, a master of using poisons!He descended the mountain to search for his junior sister but unexpectedly became the School Beauty's bodyguard… From then on, a demon-like student was born! He pursued the School Beauty, took down bullies, and was revered as the supreme ruler of the city! He cultivated Ancient Martial Arts, annihilated formidable enemies, and swept across all directions to ascend to the Peak.

Title: the Shackles of VoidGenre: Dark Fantasy, Sci-Fi, Transmigration, Psychological, ActionA Soul Between Two WorldsHeze, a brilliant cognitive economist from the futuristic floating city of Aethelburg, is obsessed with an anomaly called the Null Memor —a perfect void where data ceases to exist. In a reckless experiment, he merges his consciousness with this abyss, only to awaken in the body of Nihil Aethernis Nocturne, the cursed heir of a ruthless noble house in Eulogia, a world where magic and cruelty intertwine.Nihil was born with the Shackles of Nihility, a curse that turns him into an “existential black hole”—severing all emotional and magical connections, slowly erasing him from reality. But when Heze’s soul binds with Nihil’s dying vessel, something impossible happens: the Void answers his call.