The Tianyu World is vast and boundless. In this land, humans and spirit beasts coexist generation after generation. Everyone can awaken their natal spirit beast through a contract ceremony at the age of eighteen. Ye Shanshan acquires the cute pet counterattack system and can only sign contracts with cute pets. Thus, she embarks on the path of a spirit master with her kitten Huahua, carrying her cute pets and counterattacking all the way.