Lin Yi is entrusted by his seven sisters to take care of 16 nieces and nephews, binding with the "Max-Level Uncle System". By discovering the unique talents of his nieces and nephews—such as the innate financial sacred body, innate gaming sacred body, innate musical sacred body, and innate lucky-charm sacred body—he gains massive rewards, transforming from a poor young man into a tycoon. He helps his nieces and nephews pursue their dreams, slaps villains in the face, finds love, and becomes a truly max-level uncle. Adapted from "I, Full-Time Nanny Uncle, Sixteen Nieces and Nephews Compete for Favor!", by author Jiandao Xingchen.