An idiom meaning a person in a position of authority who is oblivious to reality because others flatter or fear them; from the story "The Emperor's New Clothes."
彼は部下の意見を聞かないので、会社の中で裸の王様のようになっている。
He doesn't listen to his subordinates, so he's become like the emperor with no clothes within the company.
その計画を批判する人がいないため、まるで裸の王様だ。
Because no one criticizes the plan, it's as if there's an emperor with no clothes.
子供たちに『裸の王様』の絵本を読んであげた。
I read the picture book 'The Emperor's New Clothes' to the children.