Overview
Back in his high school days, Joon-Seok was bullied by Chang-Sik Because of this, Joon-Seok's high school days were like a nightmare. Now, Joon-Seok finds it difficult to live a normal life due to the bullying. Meanwhile, Chang-Sik, who has forgotten what he did to Jeon-Seok, lives a relatively happy life. He is about to marry Ji-Hee. Joon-Seok will pay him back for all the misery.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 33 | 44 | |
 | 35 | 47 | |
 | 34 | 46 | |
 | 27 | 38 | |
 | 33 | 45 | |
 | 24 | 36 | |
 | 61 | 73 | |
 | 40 | 52 | |
 | 19 | 31 | |
 | 25 | 36 |