Characters :

-Park Semin or Semin(OC)

-Senior in her school

-Your bestfriend is Sehun,Anne and Jennifer

-Take care of her image

-Look girly but actually boyish

-Look matured but actually childish

-Sehun or Oh Sehun

-Your bestfriend and neighbour

-Your classmate

-Anne Lee or Anne

-One of your bestfriend

-Her house behind yours

-Your classmate

-Jennifer Kang or Jane

-One of your bestfriend too

-Your classmate

-Suho or Kim Joonmyeon

-One of people that you and your bestfriend hate

-Park Minhyun or Minhyun

-Your only dongsaeng

-Four years younger than you