By Menghan
| Genre | Youth Drama Romance |
|---|---|
| Written by | Park Yeon-seon |
| Directed by | Lee Tae-gon[ko] Kim Sang-ho |
| Starring | Han Ye-ri Han Seung-yeon Park Eun-bin Ryu Hwa-young Park Hye-su |
| Country of origin | South Korea |
| Original language(s) | Korean |
| No. of episodes | 12 |
| Production | |
|---|---|
| Executive producer(s) | Ham Young-hoon |
| Producer(s) | Park Jae-sam Park Jun-seo |
| Cinematography | Jeon Hyun-seok Hong Il-seop |
| Editor(s) | Park So-young Bae Hee-kyung |
| Running time | 70 minutes |
| Production company(s) | Celltrion Entertainment (formerly Dream E&M) Drama House |
| Distributor | JTBC |
| Release | |
|---|---|
| Original network | JTBC |
| Original release | July 22 – August 27, 2016 |
| Chronology | |
|---|---|
| Followed by | Hello, My Twenties 2 |
| External links |
|---|
| http://tv.jtbc.joins.com/Youth/ |
Age of Youth (Hello, My Twenties!) 