kim joonhee , 18 years old girl that lived in canada for her studies .. after 5 years studying , she come back to her own country which is south korea to meet her beloved brother kim joon myeon (suho). when she is in korea , she feel in love with jongdae the troller and be a cute and lovely couple BUT her classmate or brother's bandmate oh sehun try to make them apart because he loves joonhee a lot ..

han nina , is miss knows every single thing on earth . she likes sehun A LOT but sehun reject her because he fall in love with joonhee the smart ,cute girl .. well ofcourse sehun will reject her because she's a ... after being rejected ... she hate joonhee and make her beloved brother suho hate her a lot because she know that suho the classy ,awesome , smart and rch guy love her more than anything ..