The Secret Note (2019)
| First Air Date: | 2019, September 27 |
| Last Air Date: | 2019, September 27 |
| Status: | Ended |
| Seasons: | 1 |
| Episodes: | 1 |
| Countries: | South Korea |
Overview:
Insu and Mijin become a friend by coincidence.
While they are more friendly, Insu finds Mijin's secret note.
What is in the note?