Sooin, a piano teacher, decides to attend a debut concert at her professor's request after a long absence. As she prepares for the concert, she reflects on her memories and feelings.
| Actor | Role |
|---|---|
| PPark Se-jaeNot listed | Not listed |
| LLee Gwi-wooNot listed | Not listed |
 GiyoonNot listed | Not listed |
 An Min-youngNot listed | Not listed |