Let me introduce you to the Characters : 

Leads : 

Park Kim :

She is one year older than her classmates since she couldn't go to school for a year because of buillying . She is very introvert and lack of confidence but would do everything for her friends. Her father said once that she was the disapointment of his life and that she should never expect something from him again. Since that day she is hate that man.

She is very successful in studies execpt in English. She lives with her mom and little sister. Her dad is always out because of all his work travels. She loves bananas and strawberries crepes. 

When she was a little girl she loved a boy 7 years older than her, who was her neighbour. It was the times where she was still happy in her life. 

Lee Jinki :

He and his family moved to Europe when he was a teenager. He did all his studies in Switzerland and came back to Korea a year ago. There he walked back in his old neighbourhood and found a memory he thought was lost forever. He did everything to get it back. So he ended as an English teacher in a Korean highshcool to be closer to that precious memory.  

He is very cheerful and positive. He would do everything to make someone smile again if that someone is sad.

He loves snow and bananas crepes.

 Park Family : 

TheMother - Park San Hee :

She loves her children more than everything, so she decided to work only as part-timer to take care of them better. When Kim got hurt and stayed closed in home, she looked almost only after her letting the little sister behind. She cook them lunch every morning even if all she can cook is cold meal. She actually isn't a really good cooker. She is scared of her husband and if he wasn't always away from home she would have divorce.She also think that it's better for her daughters to have both of their parents together. 

The Father - Park Woo Shik :

He is an old soldier reconvert as plane pilot. He is almost never at home. When he comes back he likes to have a quiet home since all his travels make him tired. He loves to control everything, he is very strict and forgive nothing. He wants his daughters to be better in studies than anyone else could.  He has been disapointed by his eldest when she failed to be the perfect girl he wanted her to be. He put now all his expectation on his second girl. 

He is very sad to have only daughters, he wanted at least a boy.

The little sister - Park Hee Min :

She is 5 years younger than Kim. She is still in middleshcool and try her best to be as good as her sister. Because of her father expectations she got stressed all the time by tests and comes home crying because she didn't won the first place. She is really scared of her father. She is really joyful and playful. She loves drawing and her dream is to become a designer.

She has a big group of friend with whom she go hunting for cute thing to decorate her room. 

Kim's friends :

Eun BI :

Eun Bi is really calm and studious. She lives near a small restaurant where she buys her lunch everyday. If you listen to Kim, she is the cutest of all the school. She doesn't talk much but sees and hears everything. She would be the first to know gossips.

She has no siblings. Her mom is one of the directors of a big known brand.

Hanna :

Hanna is Kim's role model. She is very energetics, and her smile shines so bright. She always wear fashion clothes or accessories. She is ofently scold at school because od this.The only school subject she masters is sport and doesn't really takes attention to the others. She is taking dancing lesson and dream to make it her job later.

She is from a big family. She has so many siblings that her house is full of joy and life. Kim think that this where Hanna's happy smile comes from.