Kim Hyoyeon is a typical fangirl living in Korea, but she is not a sasaeng. She is nice and caring to her 2 best friends named Sooyoung and Jessica. She had 4 overprotective brothers namely Heechul, Yesung, Kangin and Kibum. What will happen in her normal life when her idol Kris Wu suddenly live with the same roof with her and her brothers?

     Kris Wu is a member of the popular group EXO. The group was suddenly in a hiatus because of their sasaeng fans that follow them wherever they go and as a loving son he doesn't want to disturb his mom that he decides to live in an apartment while in a hiatus until he met an old friend, Heechul that offers him a house to live with.Heechul is Hyoyeon's brother/ What will happen to the Cold City Guy when he lived with Kim Hyoyeon under the same roof?