Ji Su takes the first vacation in high school. In the summer class, she told Mi ji secrets that can't be shared with friends from her school. After a hot summer, there was a transfer student in Ji Su's class. It was Mi ji who knows her secrets. This brings big and small events to Jisu and her friends.
Kim Nu-ri
Kim Seo-yeon
Lee Jin-sol
Subin
Kim Min-cheol
