In a world transformed by the sudden arrival of spirit energy, humanity faced an unprecedented threat. As this mysterious force surged through the Earth, animals began to evolve, developing traits that made them formidable adversaries. The balance of nature shifted, and humanity teetered on the brink of extinction.
But just when all hope seemed lost, new people emerged—those who could form contracts with symbiotes. These individuals, later named as Symbixes, harnessed the power of the very creatures that threatened them. Through their bond with these beings, humanity found a way to fight back and reclaim a little bit of things they lost.
Two decades have passed since those dark times. Symbixes, were no longer entirely human, when they formed a contract, they undergo transformation. As a result, they possess features of their contracted animals—be it the keen eyesight of an eagle or the strength of a bear. They were unique existences.
Harry got reincarnated in this world two years ago. Now, his name was Alex—an orphan with no support. Life showed no mercy, even in his previous life. His parents died when he was just five years old, and since then, his life lost its colors as he faced numerous problems. Eventually, he overcame those difficulties.
He adapted to the new reality that embraced him. He was fascinated by this world; it was similar to his previous one, except for the presence of spirit energy and beasts.
Tomorrow would be a big day for him. It was his fifteenth birthday and the day he would contract a symbiote. He waited for this day, as it would change his life completely...