While approaching the end of his mundane military service, directionless 24-year-old Joon attempts to sort out his complicated feelings for an older married woman, his ex-girlfriend and her vivacious sister.
Unfortunately the movie My Beautiful Days is not yet available on HBO Max.
| Writing | Choi Heung-seok | Writer |
| Directing | Im Jong-jae | Director |
| Directing | Kang Keon-hyang | Assistant Director |
| Art | Shin Bo-kyeong | Production Design |
| Production | Park Cheol-su | Executive Producer |
| Sound | Lee Byung-woo | Original Music Composer |
| Art | Oh Sang-man | Set Decoration |
| Camera | Ham Soon-ho | Director of Photography |
| Lighting | 염효상 | Lighting Director |
| Editing | Park Gok-ji | Editor |
| Costume & Make-Up | Kim Jung-won | Costume Design |
| Sound | Choi Jae-ho | Production Sound Mixer |
| Editing | Shin Choong-seob | Colorist |
| Production | Kim Sang-hyun | Producer |
| Production | Choi In-gi | Producer |
