Sin System: Demonic Harem After Reincarnation

A story of a soldier who dies in a war and wakes up a few hours before he dies with a system to change the outcome of the war.

🏆["Golden Medal" in System Category of "Meganovel Annual Writing Contest 2022 & #1 King of System, Meganovel First Book Winner"]🏆 Ares Shaddai was a warrior who died on the battlefield due to the betrayal of those he trusted. Ares' soul wandered and was reborn in a person identical to himself in another world. The man was a prince who died simultaneously due to betrayal by his family. With the system's power, the spirit of Ares, the soldier, merged with the Prince's body.

[System activated] [Host has been identified] [Welcome to Equestria] Taichi Hayashi was the best swordsman in Japan. He died after failing to protect the lives of the noble princess and the person he loved, Akihiko Yamaguchi. Not long after, both of them transmigrated to a world full of magic and swords. Taichi transmigrated into the body of a young nobleman named Tobias Archibald. He had promised to protect Akihiko no matter where they went. Taichi assumed that Akihiko had transmigrated to the same world as him. Tobias began training his sword skills until he managed to obtain the greatest power system that could defeat any type of sword art or magic skill. [Congratulations] [The divine sword art has been obtained] [Divine sword strength activated] With his sword art, Tobias planned to go on a journey searching for Akihiko. During his journey, he discovered many things he never expected. He also met Akihiko in a different condition. Now, Tobias faces a dilemma between keeping his promise or his life. Will Tobias be able to do his job well?

In 2068, humans mutated to survive in the post-apocalyptic world. They got extra genes in their DNA, granting them cool abilities like super strength or shooting fire from their hands to battle the cruel monsters dominating the Earth. In New Orleans, a dystopian country, there was a special school to train young talents called Neogen High-School. All kinds of talents and abilities are there, and every Neogen graduate would become part of the New Government, joining the Elite Rangers, a special and highest-ranked force in New Orleans. However, Avery was an exception. He got into Neogen on a scholarship but got treated like an outcast 'cause he didn't have any special talents. He stuck at the bottom of the social ladder. Coming from a rough background, he was always underestimated, and even turned into a walking ashtray for his classmates. One day, he was thrown into a dark abyss by someone he thought was his only friend, and he fell into the bottom pit to meet his death. "Yeah, maybe this is the best path for someone talentless like me. Dying alone in a dark and lonely place like this." [Ding!] [All conditions for activating the 'Underdog System' have been met. Avery Blythe has been chosen as the host system.] [Underdog System will be activated.] [… 99%] [Underdog System activated. Complete all quests and climb the social ladder. Don't let the bullies win. Show that an underdog can beat them all!] "... huh?"

"I'm going to make all of them pay. I will take revenge on everyone who abandoned me and my mother. I will deal with everyone who threw my mother out on the streets and made our life miserable. All of them." Ding! [You have activated the black card system.] Charles is the illegitimate son of an ultra rich family but he was kicked out with his mother at a young age. Now working as a delivery driver, his wife and her family despise and humiliate him for being poor. When his wife cheats on him, Charles swears to take revenge on everyone who betrayed him. And just then, he activated the black card system. With the help of the system, he will recognize his full potential and take his revenge on those who wronged him.

"I'm Electric" - Obed Obed, the main character lost his father in a war with the demons. He founds this book in his school library which gives him an electric ability. Obed then attends a magic school where they have to save humanity from alien invasion. Will Obed be able to defeat the aliens and save humanity or will the aliens rule over this planet for the second time?. Join Obed on this phenomenal adventure to make it your inner ability system Gained electric ability. Face a demon king. Face the mother alien Save humanity.

I am Kava, an ordinary person as usual. I'm not the chosen person by the system. One day, I got a lot of money. I went to a cafe to celebrate with my sister, Mika. It was then that we came under attack from a chosen system user. I lost the fight and my sister was taken away. I found a Florine system bracelet and I put it on. However, that's not a combat type system and I wasn't chosen. Even the system guide insulted me. What do I have to do to be able to use the system?

Eden Flick is a poor young man, without a family and trying to get an education in one famous university in the city by working odd jobs as pay. Eden tries daily to earn money after school because his tuition bill is already two months in arrears. The cost of his flat house was also so much that he had to pay it off immediately. Some students who knew about it, of course, mocked and insulted him, giving him many challenges with the lure that they would pay for his tuition fees, but they were lying. One day, he was almost beaten to death by three of his college friends, plus he got a beating from the head of his university foundation. Eden collapsed with multiple injuries, conscious of nothing, but when he woke up, he had $1,500,000 in his bank account, and he was also in the VIP room of the city's most famous hospital. Not only that, there was also an inscription on his cellphone screen that said. "Get your revenge!" *** I own the copyright to this cover including all parts and layers! Source : Pixel and Canva

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]

When a sudden supernatural storm wreaks havoc on Griffin City and releases mysterious monsters from portals, Mason risks his life while trying to save his foster brother, and fails, but is beaten to death by a bully. At the brink of death, he awakens a system through an old necklace given to him by his father before he and Mason’s mother were killed by a shadowed figure during the first occurrence of the same storm that dawned on their city ten years ago. The system grants Mason the power to respawn after death infinitely, yet his power is mocked as a useless one by those who also awakened superpowers during the storm. However, there's more to his powers than he even knows. With the system, his abilities are limitless. He decides to groom his powers when he sees his potential and fights against the monsters that appeared from the portals. In the long run, as he unravels his powers, he becomes a prize for envious power hungry supernatural beings he never knew existed and decides to hide behind an alter ego known as “Devil's Spawn”. He joins the secret Protectors’ Guild to protect innocent citizens when he realizes that his foster family have no way to protect themselves. Things take a turn when his foster sister goes missing. He goes in search for her and crosses paths with the shadowed figure that killed his parents again. His memories are triggered and he's hellbent on knowing who the shadowed figure was. Revenge becomes his game. However, he soon realizes that there's more to the supernatural storm than it meets the eye. Will Mason choose revenge or to save the world from the hidden dangers lurking behind the portals?