Kim taeyeon is a cubby and nerdy girl. She always gets bullied because of that but what. People didn't know is that her father hits her all the time . So she has to get a part time job for money But what if one day before her school vacation she wanted to Change Byun baekhyun is the most hottest and popular boy in school along with his friends (EXO) but he is a bad boy so that makes him more attractive. He likes to bully kids along with taeyeon but what happens when taeyeon gets a change SNSD They are taeyeon's friend but the are also chubby but they made a deal since they had also had a school break to change themselves and all transfer to taeyeon school EXO They are baekhyun's friend . They like to bully kids and flirt with girls but what happens when snsd come to their school Kim hyuna She is Kim taeyeon younger sister she is cubby but not as chubby as taeyeon . She is turns into a bad girl with taeyeon and her friend. She hang out with snsd but not a member of the group . Transfers with snsd also gets hit by her father BTS A popular group in school along with EXO. Really good friends of EXO Bad boys, bullies, mean . They are all playboys