sin system: demonic harem after reincarnation

Hudson Atonal is a college student who worked as a simple bartender who was constantly bullied by his course mates. When he died, he was reborn in a magical world as a slave and was about to be killed. However, he unlocked the Dual empire building system, which allowed him to travel between his modern world and the magical world. With this power, he vows to become a legend and make money while taking revenge on the bullies that killed him. Join Hudson on his journey as he goes on difficult missions to upgrade his powers and become the ultimate dual empire builder.

A young boy chokes to death after seeing his talent result. Another gets reincarnated into his body. Upon receiving the necessary information pertaining to the world, he realizes he's now an orphan and his elder sister is a dud. Chris, now Jake who was once his sister beacon of hope was now a blown out candle. Not until he received a message only he could see. 'Welcome to PRIME' the user interface read out, 'Say cheese for more info'.

After working hard to provide for his wife, Felix was not only dissatisfied but also betrayed! His wife ran away and he had an accident while trying to chase her. As a result, he was rushed to the hospital. But when he wakes up, he finds an unfamiliar voice with a transparent screen greeting him. The EasySync system has found an owner! Felix's life changed drastically. A new journey of doing various missions to become rich now begins!

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

Villains? What do you think of that word? Yes, Demon, Cruel, Evil, Cunning, Troublemaker, and many more... And always inferior to the Protagonist, who many people always adore for being a hero to kill Villains. Liang Xin only realized that he had reincarnated into his own body at a young age but in a different dimension. Not on Earth but in the Regabugile Dimension, a place filled with powerful cultivators from various clans and levels. Unfortunately, he became a Villain in that dimension and was chased by many Protagonists because he killed one of the Young Masters of a Famous Clan. "Indeed, my luck has never been good anywhere! Including in this Dimension!" But Liang Xin got full support from the system. [DING!] [Bound System has been activated] [Helping the Host to become a Villain SSS Level and be invincible] [Host Gets Special Gift]

Jack Ashworth never thought his life would turn one hundred and eighty degrees when he almost died. Living in poverty as a servant in a conglomerate family, he was often insulted and poorly treated. Moreover, his lover was having an affair with his master's son before his eyes. However, everything changed in a blink of an eye. It was when he was near death without a penny in his pocket. Ding! [Welcome new user, Jack Ashworth.] [Health condition is critical. Please use the welcome pack to restore health and gain USD 100.000.000.] Jack didn't understand what he heard or saw but agreed to use the 'welcome pack'. Miracles happen at the same time. Jack became a mighty and wealthy man. Now, it is time for revenge. - I own the copyright to this cover including all parts and layers -

With no one except his mother, Leonard has to take full advantage of his scholarship at an elite school. However, when he crosses the path of one of the wealthy heirs, he becomes an object of bullying. Beaten up to a plop, Leonard thinks his life is going to end there up until a mechanical voice rings out in his mind. “World Domination system awakened, initiating link with the host.”

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.

Henry Austin was disregarded by society. He was left with nothing but his girlfriend when she cheated on him with his best friend. Heart broken by the situation he got into an accident only to wake up with a "Wealth System" He was given only one task, which was to spend a million dollars everyday otherwise the system would vanish. "Let's make everyone regret now!"

Gem spend a life full of sufferings with no friends and family. He died in a horrible accident and when he woke up, he found himself in a world that he always wished for. He had an ideal life with an amazing family which loved him but all was fake. He received a guardian angel system that was there to help him get out of this fake world. But he was no ordinary human but the last dragon king. Thousands of years ago, a war broke between gods and dragons. The gods won this war and kidnapped the last remaining royal dragon in a fake world. As Gem now knew about this game, he was ready to get out of this to find the truth about him. He made a friend and he trusted her until he found she was none other but the founder of this world. He passed every world, he progressed from weak to strong and he was ready to take the throne that gods took from him. But there are mysteries and there are secrets. The reason why the war happened and why gods were afraid of him. Will he be able to fight against his demons and prove that gods were wrong or the world was going to burn because of his mad revenge?