Mu Bai, who was not accepted since birth, will always have the mind of a child
But he was sent to the palace in exchange for keeping the whole family safe and in seclusion.
The ignorant Mu Bai spends all day following the Seventh Prince, who is the enemy of the Queen Mother.
The seventh prince was impatient with Mu Bai's entanglement, but had to pretend to be close to him
When everything was settled, the seventh prince, who had always been proud, discovered that the fool who had been following him unyieldingly had already integrated into his blood and bones, and losing him would be as painful as cutting off bones and flesh.
But, how on earth is he going to get his Mubai back?