Is Seo Jun is my first love

Beak Eon was a fat girl. she was bullied in her school because she is fat. her classmate called her fatty cow. she liked a guy in her school so she proposed him but he reject her and insult her. then her family moved to another city. in that time she diet and do exercise and she got slim. she is now so pretty that everyone wants to date her. in her new school she have friends. first time she have friends she is so happy. in her school there is guy name Han Seo Jun. she meet him at a party in that party she ruin his shirt and didn't say sorry to him. now Seo Jun is her classmate. Han Seo Jun is handsome. but he is rude and arrogent. first they don't like each other. few days later they started liking each other but they have misunderstanding and jealousy. then they propose each other and Han Seo Jun become Beak Eon first love. but Seo Jun mom got transfer to another country that's why they have to break up. few years later Seo Jun come back to his country. first Beak Eon and Seo Jun ignore each other. then they started fighting then come jealousy and they feel in love again..