Her Royal Highness's Exclusive Love

She is like a Cinderella wearing a mask. Every time at 12 o'clock at night, Cinderella will take off her gorgeous disguise and be her truest self, revealing her truest side. They are knights who protect the princess. They have peerless looks. In order to protect the beloved princess, they are not afraid of hardships. He is cold, he is gentle, he is domineering. They are all her exclusive guardians. She is also an irreplaceable holy angel in their hearts. Which one of them is the only one in her heart? And whose exclusive mark will be affixed on her only heart? All unexpected surprises are in the exclusive love of Her Royal Highness the Princess! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.