Zhao Xiaobei, an ordinary programmer, accidentally traveled to a parallel world and became a young single father with triplets. What's even more outrageous is that he found himself living in a "nanny novel" world - the villains here are all reborn, trying every day to steal his children, take away his career, and ruin his life. Fortunately, Zhao Xiaobei is bound to a "complaint system". This system is not only talkative, but also comes with various weird abilities, such as "paper substitute", "time pause", "mind reading", etc. Facing the villains who are constantly reborn, Zhao Xiaobei complains and fights back, using daily healing methods to resolve the crisis, and at the same time raise his three daughters to be geniuses. But just when he thought his life was finally peaceful, the system suddenly prompted: There are greater secrets in this world waiting to be revealed...