Diamond Han Lee (Lee Han Jisu) was born and grew up in the states. A single child from a wealthy family. Her father died duo the car accident when she was 2 years old. She raised up her mother and now she become one of the famous artist in states and also around the world (most of k-pop groups are her fan too). She’s a cousin of SNSD Sunny (no one know except their family members). Lee Jisan, her mother is oldest sister of Lee Sooman and Sunny’s father. Because of her hectic schedule, she decided to keep her career aside by announce in one of live show that she’ll be on a long vocation (the truth she’ll go to Korea and ask her uncle, Lee Sooman to let her be SNSD manager). At that time SMent decided to put SM artists live together (2 groups in 1 mansion). So SNSD and f(x) will live together. And Diamond will move in with them too. Why? Because she suggested it. But she’ll use Han Jisu as her name and she’ll transform to a simple girl so no one will recognize her. What will happen during her life in Korea with SNSD and f(x)? When will a new love story begin?