sin system: demonic harem after reincarnation

The world was invaded by monsters that suddenly appeared all over the world and a system-like software had been installed on some humans' intelligence by an unknown force. The war between monsters and humans was bloody and two billion people lost their lives. Jianyu, who was at the bottom of the power ranking of the Upgraded Humans with his team, was preparing for a future where he would lead humanity against this extraordinary enemy...

Shall we see the world from the eyes of the big bad villain? Sweet words are whispered to them and being pulled by unknown force. The whisperer creeps into the night bring discord and mayhem as it stirs up emotions of every kind. The world will never by the same as we move on its chessboard like pawns to a greater means to an end. Behind their mask could it be a real villain or a demon? Though you can't resist its amazing offers and cheats

have you ever fantasized about having a system? what would you do if you have one? would you use it for yourself alone or would use it to make the world a better place the story is about a boy who was bullied in his school for being weak, his story changed after he luckily got a system do you want to know what he did with his system? Read the book to find out for yourself

After suffering a heat stroke, Blake, a hardworking but poor university student, mysteriously acquires a high-tech system. Overnight, his mundane university life transforms into a whirlwind of success. Master’s degree? Check. PhD? Easy. From a nobody to a scientific sensation, he ascends to celebrity status. But as he delves deeper into the system’s missions, he realizes his journey is far from over. Can he achieve the ultimate glory of a Nobel Prize? Blake's quest for knowledge and fame is just beginning, but the system holds secrets that could change humanity forever.

When two civilizations clash with each other, a college student who was at the very front among his peers in his study experienced something he would never have thought of in his wildest dreams. After his second death, he returned to the place where he should have been but everything was unfamiliar to him. Not to mention, his way of using his new power makes him caught up in war he would never have expected. Would he be able to adapt in the new world or shall he be swallowed by it? And would he be able to uncover the truth of the invasion to his planet and deal with those who wished him harm from the underworld organization?

Playing a game with a level system is a common thing. But what happens if you play a game with an elimination system with your life on the line? This is exactly what Terry felt. Due to his wife's huge debt, he was forced to join a survival game called Debt System. During the survival game, Terry realized that there were many mysteries hidden behind this game. He also learns that the organizers of the game have very bad intentions towards him, especially X! Can Terry be the winner in this game? Can he survive after knowing the big secret behind this game?

BOOM!!! An atomic bomb goes off, lucky for Cumas, a window saved him. It appeared just in his class and told him to go to a bunker and when it went of, Cumas felt lucky having his own system protecting him, or is it? He has to complete quest to survive if he wants to stay on the safest place on earth, the bunker.

Ibuki Ken is a young man that despises society very much. There are many causes why Ibuki dislikes society that much. He hates society because society is so judgmental, apathetic, and ignorant. There are so many stereotypes and stigma. "it’s toxic!" "Society is so fake that the truth hurts people!" Choosing to be single and have no friends, He was as abnormal, immature, sad. That’s was his choice. But Why DOES GOD CHOOSE HIM TO BE REINCARNATED IN ANOTHER WORLD

[Host has been granted the Demon System] Damian appeared confused on seeing the message appear in his line of sight as he suddenly began to feel his consciousness slipping away from his body, and with it a strange voice in his head. “Finally, I’m home,” Lucifer said . Damian a descendant of an Angel gets associated with the sealed Demon King Lucifer, with Damian’s interest in the human world and the Lucifer’s search for ten precious items… a new journey begins for Damian who had always been grounded on the Angel’s island. NOTE: *JUST KIDDING*. SIT BACK AND ENJOY A MASTERPIECE

Mysterious portals began appearing all over the world, like giant black holes, ominous and foreboding, yet completely inert. No one knew what to do or how to react. Despite the confusion and curiosity, life went on as usual for years. But one day, an announcement changed everything. Pran was just a regular guy, but after being awakened and becoming a “Player” his life changed. He got everything he wanted. Or so he thought... At the moment of his death, he was overcome with regret, he wished he could do things differently. Suddenly, everything went dark. But then, he felt someone shake him up. Pran initially thought it was all a hallucination or his life flashing before his eyes. But soon, he realized that he had been given a second chance. He had reincarnated back to the day of his awakening. “This time it won’t be the same. This time I’ll do things differently and won't make the same mistakes. And anyone who tries to get in my way will have to suffer my wrath.” Join Pran on his thrilling journey as he ascends the Tower of Trials, a treacherous path filled with deadly challenges and unimaginable rewards. With each trial, he grows stronger and more determined to succeed. Nothing will stand in his way as he seeks to fulfill all his ambitions and reach the apex. [PS: This is my first time writing a novel, so it might not be very polished, but I will try my best to give you guys an interesting story. Also if you have any feedback about the story, do comment on it and let me know. Thank you!] ------------------------------------------------------------------------------------ ⇒ Currently 3 Chapter Per Week ⇐ ------------------------------------------------------------------------------------ If you like my work you can support me and consider joining my community! https://linktr.ee/RogueKat -----------------------------------------------------------------------------------