An Innocent Girl who accidently fall in love with a boy named Jang Woo Young. Her name is Lee Ji Eun. She is not a popular girl in KM high school but suddenly one day, the most popular boy (Woo Young) in the school wants her to be his girlfriend so she accept it. After 2 months and half they been as coules, Woo Young ask her to clashed. She was very upset and kill herself in a villa near KM High School.

He is Jang Woo Young who steals every girl hearts in KM High School since he was the most popular boy in school. He ask an innocent girl named Lee Ji Eun to be his girlfriend because he taught dating with a pretty girls will make him more famous. But what he taught is actuall NOT GONNA HAPPEN since the innocent girl is not popular. After 2 months and half being as a couples, he ask Ji Eun to clashed. Ji Eun who is really sad kill herself in a villa near their school. He feel terrible and keep blamed himself for what had happen and decided to kill himself too.

A very stubborn person. He always jealous to his own brother, Jo Young Min because he thinks that his parents only loved Young Min and not him. He always think he is right and other people is wrong but weirdly not to his closed freinds. His name is Jo Kwang Min, the son of Mr. Jo and Mrs. Jo.

This is Jo Young Min, Kwang Min twins. He loves his brothers so much but sometimes he always fight with him. He really understands his brother stupidness. Sometimes he could be really annoying but sometimes he can be the most caring and loving person lives on EARTH!. Now that sounds odd XD.

His name is No Min Woo, he is Jo Young Min closed freinds. He hates Young Min's twins so much because to him, Kwang Min is a really annoying person + NOT HANDSOME AT ALL!. That's why every time he met Jo Kwang Min, he feel like he want to hit him. So, that's why he never talk with Kwang Min.

He is really childish person if you get to know him well. He maybe looked like a tough boy who always bullies others but actually he's kinda sweet. But sadly he's been friend with that WEIRDO Jo Kwang Min, who everyones hates him. But really, Kwang Min is not so bad. 

This is Lee Seung Gi, their science teacher. He really take good care of discipline. If any of his student does not finish their homework he will punished them to make the exercise 10 times in the similar books with similir questions. Now, what kind of punishment was that?.

 He is Dong Hyun. An innocent boy with a big eyes. He is so cute when he smiles. His friends is Jeong Min and Kwang Min. He actually a good hearted person if you know him well enough. He is sometimes can be selfish and sometimes he is lazy. But the lazy part, it happens everytime!.

This sweet boy here, his name is Hyun Seong. He is a very good and loyal friend to Min Woo and Young Min. He is not selfish or greed. He always been the most smart person in KM High School. That's why all the teachers always like him and always praising him. He is rich with good deeds.