Yoona, the captain of the soccer team, and Yuri, the head of cheerleader, were the golden couple back to their high school days. They were very poplar and inseparable. However, Yuri got pregnant with Yoona’s baby when they were 17. And it changed all they life plan in the future. So, when Yoona gets the opportunity to be her 17 year old self again and go back to high school, will she finally realize wh