- Music teacher at Pledis High School.
- She lives with her best friend Uee, a waitress in Jooyeon's restaurant.
- Her students respect and love her because she is a very sweet person who cares about them.
- Her favorite students are Raina and Lizzy, who have great musical talent and call her Omma.
- She is still waiting for her childhood friend, who left her to travel to Europe with her parents many years ago.
- The memory of that little girl is all that occupies her mind until by coincidence she meets a woman with the iest dimples of all time.
- Her surname changed to Kim when her parents divorced. Kim is her mother's single surname.