In a world where soul pets and Beast Masters exists, As a normal boy from our world，Lee Xingyun finds himself mysteriously transmigrated into the body of a second-year high school student.After discovering that he is now a part of a narrative that closely resembles a protagonist's backstory, Lee must navigate this unfamiliar world and its complexities.As he unlocks the powers of the Soul Appraisal system, Lee is granted a unique opportunity to choose his first soul pet egg. Amidst a sea of low-level Servant Level pets, he stumbles upon two high-level soul pet eggs—the Flame Spirit Tiger and the Green Cloud Bird. Thrilled by the Flame Spirit Tiger's potential and its mysterious evolutionary path, the Dark Abyss Heavenly Devil Tiger, Lee's heart is torn between these two formidable creatures.