Overview
Sung geun, a physical education teacher, is at risk of losing his job when the school decides it needs an English teacher instead of a PE teacher. Therefore, he starts to devise a plan to change his job as an English teacher.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 38 | 55 | |
 | 18 | 35 | |
 | - | - | |
 | 33 | 50 | |
 | 27 | 44 | |
 | 32 | 49 | |
 | 70 | 87 | |
 | 30 | 47 | |
| - | - | |
 | 50 | 67 |