The story begins after the arrival of Lee Eun Ae, a school friend to Ji Yeon Hee, who wants to spend her time in Korea.Lee Eun Ae wants to help her friend manage the rented house managed by Ji Yeon Hee's family, including the home occupied by EXO.The presence of Lee Eun Ae was welcomed by EXO and they treated her well as they treated Yeon Hee except, D.O.

Since they first met, Since they first met, Eun Ae is not being treated friendly by D.O. and this makes Eun Ae feel awkward and uncomfortable. The girl decided to find the reason why the man was cold towards her and tried to make friends with D.O.

In her attempt to become a friend of D.O. without her realize, she had learned all the incident that had happened before including the matter that D.O. who has been in love with Yeon Hee, who has now become a lover of Chanyeol.

MAIN CHARACTERS

Lee Eun Ae 

-Ji Yeon Hee's high school best friend

-A very friendly and cheerful girl

-Good at cooking and cleaning

Ji Yeon Hee

- Lee Eun Ae's high school best friend

- Chanyeol's girlfriend

-D.O's crush and friend

Do Kyungsoo/D.O

-member of EXO

-have a crush towards Yeon Hee even though he knows that girl is his bandmate girlfriend

-the only one who act cold towards Eun Ae 

Chanyeol/Chan

-member of EXO

-Ji Yeon Hee's boyfriend

Supporting Characters are EXO members who will appear from time to time