Wei Yi, a high school student, witnessed a murder case and accidentally got a drop of the victim's blood. From then on, he got a reformatted system, which allowed him to own his own pet shop in a different world similar to cultivating immortals. Wei Yi, who had this unexpected encounter, dealt with two planes. She matured a little bit, but the existence of another plane inevitably changed her, and she began to slowly encounter the intolerance of the original plane. Wei Yi, who was ordinary and had no ambitions, wanted to keep her original life, but she couldn't let go of the existence of another plane. Where should she go?