I Won't Admit That I'm a Little Fool

A Fool Has Four Powerful Maids and Only Listens to Her Words

Recently, I read that the heroine is a fool and there are four stunning maids. One of them is the master of some palace who is very powerful, but is absolutely obedient to the silly heroine. However, I never know the title of the book. Anyone in the big circle has read it, would you like to tell me?