Overview
Joo-in, a 17-year-old student confused by love, unleashes chaos with some words spoken in a moment of anger. Anonymous notes questioning her actions begin to arrive, altering her quiet life.
| Actor | Age then | Age now | |
|---|---|---|---|
 | - | - | |
 | 50 | 50 | |
 | - | - | |
 | 25 | 25 | |
| - | - | |
 | 27 | 27 | |
 | 30 | 30 | |
 | 53 | 53 | |
 | 41 | 41 |