Cast & crew
Group Study (2011)
Directed by Choe Jeong-sik Written by Choe Jeong-sik
Cast
| Lee Han-na | Jee-ah |
| Lee Jae-ho | Gyoo-rim |
| Park Jeong-min | Hong |
| Moon Choi | Ra |
Crew
| Choe Jeong-sik | Director |
| Choe Jeong-sik | Writer |
| Choe Jeong-sik | Editor |
Group Study (2011)
Directed by Choe Jeong-sik Written by Choe Jeong-sik
| Lee Han-na | Jee-ah |
| Lee Jae-ho | Gyoo-rim |
| Park Jeong-min | Hong |
| Moon Choi | Ra |
| Choe Jeong-sik | Director |
| Choe Jeong-sik | Writer |
| Choe Jeong-sik | Editor |