Krystal Jung don't know anything about love. She don't know how to be romantic, she still doesn't have her first kiss yet, she never been into any date, She don't know how it feel like when people are madly in love. Let's just say, she's noob. She have a loving family. Her family are not come from a rich family but yet they still tolerance each other

Kai is a capten basketball at his school. He is popular, friendly and nice but he already have a girlfriend and her name was Krystal. They've being date for a year. But she is not like other girl who is caring, loving and romantic. She kind of girl who love soccer and boyish. There is something that she worried about, losing someone special. She don't want that happen to her, she love him. Even everyone said that she not suitable for Kai but she still manage to defend their relationship.