Overview
Seung-ryong owns a small toast shop, who is sick from taking in briquette gas in the past after his parents died. One day, his first love comes back to Korea, and they become close. However, he finds out that his little sister is sick.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 31 | 49 | |
 | 29 | 47 | |
 | 38 | 55 | |
 | 20 | 37 | |
 | 23 | 40 | |
 | 35 | 52 | |
 | 44 | 62 | |
 | 13 | October 14, 2019 (25) | |
 | 37 | June 29, 2019 (48) | |
 | 14 | 31 |