Sulli just broke up with his boyfriend Taemin . Of course she would be upset . During her depressed moments , it was Taemin's best friend , Minho , who was also her best friend , that encouraged her to stay strong . After much of these interactions , they soon fell in love with each other . However right after Minho confessed to her and when they started going steady , Taemin wanted Sulli back to her , meanwhile , Minho's ex girlfriend , Krystal also desperately wanted him back too because of some reasons .

Hence , what will their destiny and fate be ? Will they get back together in the end ? Or they'll go back to their actual lives ? 

Main Casts : 

Choi Jinri , known as Sulli

She's a cute and bubbly girl . She is also kind-hearted . She is the type of girl that will give her everything to her boyfriend when she is attached . She is currently studying at high school which is the same as Taemin , Minho and Krystal . She works as a part-time waitress at a cafe . She is the ex-girlfriend of Taemin . Best friends with Victoria , Amber and Luna .

Choi Minho known as Minho

He is a dream guy to every girls . Has a cool image but has a kind heart . He has exactly the same personality as Sulli . He is currently studying at high school which is the same as Sulli , Taemin and Krystal . He also works at the cafe but not the same as Sulli but Taemin and his other friends . He has a ex-girlfriend named Krystal . Best friends with Taemin , Jonghyun , Key and Onew .

Lee Taemin known as Taemin 

Works at the cafe same as Minho and other friends . Ex-boyfriend of Sulli . Best friends with Minho , Jonghyun , Key and Onew .

Krystal Jung known as Krystal 

She is the ex-girlfriend of Minho . She has cancer , and gonna die soon . and Minho decided to take care of her . however , in the end , a miracle happened ...

Others not so important characters :

Key

Jonghyun

Onew

Victoria

Amber

Luna