What I Didn't Know Was
1h 5m·
Two couples who have been dating for six years lives' intertwine as they each balance on the precipice of a breakup.
| Actor | Role |
|---|---|
| KKang Pil-sukNot listed | Not listed |
| GGo Eun-chongNot listed | Not listed |
| JJo Hee-eun현주 | 현주 |
| AAhn Ji-eun민희 | 민희 |