The Princess of Heaven and the main character of Angel Diary, she does not wish to be married to the King of Hell, to whom she is betrothed, and so runs away, taking refuge as a school boy. Her school boy alter-ego is named Dong-young. "He" attends a high school where many of the other students are not normal. He is watched over by two of the Four Guardians of Heaven. She was born with the power of general winter and would've been king but her father had other plans for her. Her main goal was to have a lazy life just like her brothers.