The modern girl Miao Xiaodie unexpectedly inherits an ancient Gu King that has been sleeping for thousands of years due to the death of her Miao Village ancestor. I thought I would start a dangerous new life with swords and swords and insects everywhere, but I found out that the legendary "King of Poisons" was actually a beautiful boy (in physical form) with top-notch facial control, coquettishness and clinging, who only loved to cling to people and beg to be fed. On the surface, he is arrogant and venomous, but in reality he is innocent and protective of his shortcomings. On a daily basis, he would pester Xiaodie to give her a kiss, a hug, and hold her up high, while using his amazing ability to control poison that he was too lazy to use to solve her trivial troubles, such as finding keys, fighting weird neighbors, dealing with Party A, and other trivial problems. When a conspiracy against an ancient Gu Master quietly approaches, this unscrupulous "main pet partner" is forced to become serious, and in the hilarious and heartwarming daily life, they reveal the secrets about blood, inheritance and protecting their homeland.