Aspiring writer Je-a unveils a shocking truth from the observations she makes of the fellow students at her high school where there is something akin to a caste system.
| Directing | Kwak Kyung-taek | Director |
| Writing | Kwak Kyung-taek | Adaptation |
| Sound | Park Ju-kang | Sound Supervisor |
| Sound | Mok Young-jin | Original Music Composer |
| Editing | Shin Yong-sik | Editor |
| Camera | Kang Sang-hyup | Key Grip |
| Lighting | Shin Tae-seop | Lighting Director |