| EPISODES | 10 (1 season) |
|---|---|
| ORIGIN | Korean / South Korea |
| AUDIENCE | PG-13 |
| Kang Shin-Woo is a math teacher with a good looking appearance. He has not forgotten his first love Han Ji-Soo for the past 10 years. By an accident, he travels to the past when he was a high school student. There, he meets his younger self. Kang Shin-Woo struggles to make the younger Kang Shin-Woo's love come true. |
