Watch The Guilty Secret Online
- COUNTRIES: South Korea
- Subtitles: 한국어/조선말
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.
