The Great Demon System Wiki

Kalina Evans is a girl with a mental illness and she tries to heal herself by traveling. During a trip, she and her young sister were trafficked to a foreign country, and for a long time they decided to run away, but that decision took away her most important sister. Kalina is engulfed by hatred, she chooses to be sold again so she can avenge her sister. Kalina's hatred is probably too great so linked to a system of revenge called Alva. She thought this revenge system was the ghost of her sister until she learned it was actually artificial intelligence. It was crazy, she wondered what madman had created the system. But soon she also meets someone who seems to be related to the revenge system, somehow he can always show up and get in the way of her revenge.

David Lee was supposed to be dead. Nineteen years old, terminal cancer, nothing left but hospital beds and webtoons about gang fights, brotherhood, and underdog heroes. But when he opens his eyes again, he’s not David anymore. He’s Seo Joonwoo — fifteen, awkward, quiet, and newly enrolled in the most infamous school in the city: Taeyang Technical High, where fists rule the halls and teachers look the other way. It should’ve been a nightmare. Instead… it’s everything David used to dream of. And when his first fight begins, a strange blue screen appears before his eyes: [Romanticism System Activated.] “The stronger your conviction… the stronger your punch.” Now, armed with a second chance, Joonwoo isn’t just here to survive. He’s here to live the kind of story he once only read about — a story of loyalty, friendship, fights under flickering lights… and maybe even love. This isn’t just delinquency. This is romanticism.

Shaina has always feel inferior to her older sister who always steal what she wants, when her first love was taken by her, Shaina decided to outshine her this once and that is to get married before her older sister does. After a night lie, she found herself entangled to Samael, a thousand years Demon who has taken interest in the human world. The Demon seeks a remedy to the growing dark power in him and after accidentally encouter with Shaina who asked him to become her husband for a night, Samael felt he has found his soulmate and his cure. Will the two different beings have a lasting love? Or will their worlds break them apart?

The day after I marry the powerful Don Lucio Ferrari, news breaks that his childhood love, Bella Bianchi, has died by suicide at home. When he hears the news, he locks himself in his study for three days and three nights. When he finally reappears, he walks straight up to me and says, "You will never replace her." For ten long years, he acts as if I don't exist, refusing to speak to me. During the chaos of a mafia shootout, when a gun is aimed straight at my heart, he instinctively throws himself in front of me. "Viola, the biggest regret of my life is marrying you. If there is a next life, please let me go." In the end, he is hit by multiple bullets while saving me and dies of blood loss on the way to the hospital. At his funeral, everyone points fingers at me, saying I bewitched their Don and caused his death. The day after his funeral, I take my own life at his grave. When I open my eyes again, I am reborn three days before our wedding. This time, I decide not to cling to him, choosing instead to let him be with the person he truly loves. But now, he seems to regret it, and I can feel it.

I was a retired mercenary. A middle-aged man like me, without any ‘proper’ skills, could only work as a stockkeeper at a private company. On my first day at work, the warehouse lost an important item, and I was accused of stealing it. My new colleagues scoffed. "Hand over what you stole, you penniless loser! This warehouse hasn't lost anything for eight years. If you hand over the stolen item, we'll submit an appeal letter on your behalf when you get arrested by the police." I stepped forward to look at a mark left behind in the corner. "I can find what was stolen." The entire warehouse fell silent. When my boss arrived after hearing the news, he scrutinized me condescendingly. "If you can find the stolen item, I'll give you half of the company shares. If you fail, you'll have to pay with your life!"

Ariana, a young werewolf, who is despised by her family and pack, runs away from home after defending herself from a luna who tried to murder her. Wandering in the woods far from home, and far from her pack, she is founded by the Alpha of the demon wolves and here, her life transforms from a lonely powerless werewolf, to a powerful Demon Luna, but at a great cost. When their loves finally blossoms, obstacles are meant too strike. But in the Future, Ariana discovers that her mate was the killer of her family.

I'm Sabrina Pembrook, Axel Callahan's stepsister, and the lover he's kept hidden for seven years. At first, I think that he'll keep me hidden for a lifetime… until the night of my birthday when he proposes. I'm so excited I can't fall asleep, and apparently, neither can Axel. In the middle of the night, I hear him walk out to the balcony to answer a call. "She said yes. Everything will proceed as planned." The voice on the other end hesitates slightly before saying, "Are you sure you can go through with it? She's your darling whom you've doted on for so long." Axel's voice turns to ice. "Well, it's her mother's fault for being a homewrecker. If it weren't for Elaine, my mom wouldn't have died. I want Elaine to die in the wedding car, just like how my mom died in a car crash." The person on the other end falls silent for a few beats before sighing. "You sure are cold-blooded. You've slept with Sabrina for so many years, and you're still going to kill her mother on the day of her wedding. And if she ever finds out she's not even the bride, she's going to lose her mind." Axel falls silent. Then, he says something else, but I don't want to listen to another word. What I thought was seven years of love finally coming to fruition… turns out to be nothing more than a plot to murder my mom. But Axel Callahan, I'm not going to let you get what you want.

"I wonder if I'll ever find love. Maybe so. Maybe not. Someday I'll know." Most supernaturals try to stay out of the spotlight. More so if you're hunted by not just humans, but other supernaturals as well. So 17-year-old Cayce Vance did just that, keep quiet and be invisible. But because of recent events, he moves to a small town near the ocean, away from the hustle and bustle of a metropolis. Here, Cayce hopes to live out his senior year in peace. What he doesn't know is that he's moved right into werewolf territory. And not just any werewolf territory. The werewolf king's territory. The new king of the werewolves, Bennet Fitzroy, has just turned 18, the age when you find your mate if you're a werewolf. He yearns for his mate, whoever it may be. What happens when he learns that his mate is a creature that is half-demon half-angel? And how can Bennet love something that he doesn't know, and how can Cayce love what he fears? A teen romance between a big alpha teddy bear and a tiny cute beastie.

He is a demon but also he is a fallen angel. After the war with seraph, he lost his love and became a demon with a broken heart, until he met a girl.

The demon in him is evil and with time, he will be consumed entirely but he promised to get rid of himself before that happens. Alex Heartman is the most cold-hearted Alpha king in the entire wolf Kingdom despite the fact that he treats his wolf pack with fairness and justice. He prefers to use his brain rather than his emotions but when he gets trapped in an arranged marriage with the most unusual person he has ever met, he starts having doubts about his entire lifestyle. She is innocent and carefree, and cannot even think of hurting a fly. The arranged marriage was just to make the two packs allies and join hands in solving the mysterious case but as time goes on, she begins to feel like he means much more to her. Breaking through Alex’s concrete wall is not going to be easy, but Mia wants to make him human again… Will it be possible?