Seohyun and Joohyun were twins, they born in the same day, with the same face, but different attitude and abillity.
Seohyun like to bossy around Joohyun since she is the elder, always causing trouble and Joohyun will be the one got punishment or scold.
Joohyun love her twins so much that's why she always helping her.
One day there is a boy who like Joohyun, she had some feeling toward him too.
but Seohyun also like the boy, and always pretend to be Joohyun to get close to him.
what will Joohyun do? will she share her love with her twins?
or fight for it?

Kim Seohyun; the elder
Beautiful and cute
bad manner and lazy
Often causing trouble and told her twins to help her

Kim Joohyun; the younger
Beautiful and cute
good manner and smart
Help her twins when she get trouble

Jeon Jungkook
Handsome and cute
smart and kind
falling in love with Joohyun
unable to differentiate between Seohyun and Joohyun

OTHERS:

Kim Hyoyeon; the twins' elder sister
cute and tomboyish
take care her sisters especially Joohyun
knows Joohyun always helped Seohyun as a scapegoat

Park Jinyoung(Got7); Joohyun's besfriend
Handsome and cute
hate Seohyun, because mean to Joohyun
take Joohyun as his little sister
able to differentiate between the twins

Kim Seokjin; Joohyun's bestfriend, Jungkook's bestfriend
Handsome and cute
help Joohyun and Jungkook to be together
take care of Joohyun
able to differentiate between the twins

SNSD/BTS/OTHERS