The Great Demon System - Chapter 1: Prologue

Eighty years ago, an alien war broke out in Earth’s orbit. A powerful fugitive known as Tree was pursued by an extraterrestrial force. In the battle’s aftermath, the fugitive’s heart merged with Earth’s core, giving rise to a massive tree—marking the dawn of superpowers.Awakening. A phenomenon where humans gained extraordinary abilities. Seventeen years later, nearly everyone had awakened… except a few. Those who failed were called Rejecters, the lowest in society.Zane Carter was born into infamy. The son of a fallen superhero-turned-supervillain, he faced discrimination from birth. He dreamed of being a hero, but his father’s sins made him an outcast. Even after rigorous training, his Awakening failed. Rejected by the Hero Academy, ridiculed, and cast aside—his fate seemed sealed.Until one day…[SYSTEM ACTIVATED]Welcome, User. You have been selected as the recipient of the Borderline Supervillain-Slash-Hero System.Generate your first skill? Y/NWith his newfound system, Zane is given a choice: become the hero they never wanted him to be… or the villain they always feared.

The story is about a man whose compulsive tendencies make it impossible for him to keep a job, and a young girl who skips school and loves insects. The two meet, come to support each other in reintegrating into society, and fall in love. There’s a problem, however: namely, the parasites in their heads.

“Rishe Ilmgard Wertsner! I’m breaking off my engagement with you!” “Okay, I understand.” “Huh.” The Duke’s daughter, Rishe left the evening party without delay. In fact, for Rishe, this engagement has been terminated for the seventh time. That’s where her new life starts, after having enjoyed the way of life of a pharmacist and a dressed up knight, she lost her life at the age of 20 and has gone back to the scene where her engagement was broken off. Normally, this could have broken Rishe’s heart, but her mentality became strong. Her past six lives have been busy and fulfilling, she wants to live longer this time around. If possible, she wants to live a life of leisure and squander money… To commence her 7th life, Rishe has set up such a diagonal goal. However, in this life, she will be married to the Crown Prince of a militant nation, who killed her in her past life. …It’s probably better. It doesn’t matter if it’s a former rival country. In her seventh lifetime, she’ll enjoy loafing off at a castle!! Against all her determination, she inadvertently demonstrated the skills she had cultivated in her past lives and garnered attention as a brilliant Crown Princess.

Vahn was an atypical youth. Due to a rare mutation, his blood had the potential to target and attack ailments within the human body. Touted as a universal cure, people had elevated his status above the norm and given him the classification "Panacea". In the media, he was hailed as a great hero who would usher in a new era or human wellness. However, behind the scenes things weren't so bright. Being a unique individual, Vahn spent his entire youth locked up in a lab with various scientists and research teams using his body and blood to perform endless amounts of experiments. The only solace in his suffering was the various anime and manga made available to him between experiments. He often imagined himself as the protagonist in a world of his own, finally in control of his own destiny. For years he nurtured this desire, until at the age of 14 he died when an organization had tried to kidnap him from the lab...