Blythe was force to look for a job because of her grandmother's illness she don't have enough money to buy her medicine so she has to look for work even though she's just a student,She knew that her parent's don't like her because she's just adopted they were force to adopt her.

Na Minjae is a high school student who's always been busy studying all the time she doesn't have any friends she's only close to her twin brother Na Jaemin. Even tho her she don't talk much her twin knows what she want so he do everything to satisfy her with his grades,she was trying to avoid her twins friend by staying at her room,but her twin don't like it so he introduced her to his friends they always hangout together,she got close to them especially Haechan his is always smiling all day long he never fail to make them laugh and smile,BUT LITTLE DID MINJAE KNOWS WHAT'S WAITING FOR HER