Despite the ups and down in our relationship love still prevailed.
Bae Irene (main character)
She's in love with Lee Taemin who is 2 years younger than her. She loves him to death. She is smart and also very polite.
Lee Taemin (main character)
He is a College Student! He is in love with Irene who is 2 years older than him and they share an apartment together. He is cheerful and totally oblivious of what is happening in his environment.
She is Taemin's best friend! and they've knew each other since they were children. She is in love with Taemin and will do anything to get him at any cost.
Suho - Kim Joon-Myun
He is cold but also very caring to the ones his loved ones. He's the Boss of the Company that Irene is working at as a Secretary. He is in love with Irene and intends to marry her.
Suho's Brother - Kim Jonghyun
He is Suho's younger brother and also Taemin's best friend in College, who has an evil motive. he's calculative and dangerous.