In the year 2027, an enigmatic energy engulfed the planet, leading to rampant evolutionary changes in flora and fauna globally. The physical capabilities of humans improved dramatically, allowing them to fuse with the souls of fierce beasts and transform into these powerful creatures. Additionally, some individuals discovered they had awakened unique genetic powers, enabling them to manipulate elements such as water, fire, lightning, and thunder. The narrative unfolds two decades after this global turmoil.