Change

Im Yoona is a smart, friendly and talented girl who has lots of friends. She has never been in trouble and never violated any rules in school. Her parents were very proud of her and her classmates admired her. Every teacher that knew her always remembered her. She was perfect. She's not boastful about herself. She enjoyed every second of her life. But all of that changed when she met Mark Tuan. A childish, irresponsible boy who always gets in trouble. He always cuts classes and loves to mess around whenever he likes. Even though the two are very different they became best friends. But day by day Yoona starts to change. She starts to cut classes, she becomes irresponsible, she always gets involved in Mark's problems and her grades starts to fail. Her parents were very worried about her. They knew that Mark was the reason on why Yoona is changing. They had no choice but to separate the two. But Yoona's parents never knew that even though Yoona became irresponsible and childish like Mark, they still respect each other and Yoona was very happy to be with Mark. And Yoona's parents also don't know that Yoona was in love with Mark. What will Yoona do? Will she be able to be friends with Mark again? Or will she Move on?