Oki, a film student, gets involved in two relationships as she navigates the advances of a fellow student and grapples with her feelings for her much older professor.
| Actor | Role |
|---|---|
 Jung Yu-miOki | Oki |
 Lee Sun-kyunJingu | Jingu |
 Moon Sung-keunProfessor Song | Professor Song |
 Seo Young-hwaSooyang | Sooyang |
 Baek Jeong-rimHyerim | Hyerim |
 Lee Chae-eunAudience | Audience |
| SSong Gi-hyeongProfessor Oh | Professor Oh |
 Um Tae-gooStudent | Student |
 Shin SunStudent | Student |
 Park Seo-yeonYangsoon | Yangsoon |
| CCho Sung-deokProfessor Bang | Professor Bang |
| JJeong Ji-hyeStudent | Student |
| BBae Ju-yeonModerator | Moderator |
| KKim Jin-gyeongOki's friend | Oki's friend |
| SSeo Jung-hyunJunior | Junior |