Woo-ri, 32, and Ja-young, 28, who both dislike being alone but have particular anxieties when it comes to dating, meet through an app.
Unfortunately the movie Nothing Serious is not yet available on HBO Max.
| Visual Effects | Jeon Gun-ik | Special Effects Supervisor |
| Visual Effects | Kim Han-joon | VFX Supervisor |
| Writing | Lee Seu-ra | Storyboard |
| Visual Effects | Lee Byeong-ju | VFX Supervisor |
| Editing | Nam Na-young | Editor |
| Lighting | Lee Dong-hwa | Lighting Director |
| Sound | Sunwoo Jung-a | Original Music Composer |
| Costume & Make-Up | Kim Da-jung | Costume Design |
| Writing | Wang Hye-ji | Writer |
| Sound | Gong Tae-won | Sound Supervisor |
| Art | Jin Hoon | Props |
| Costume & Make-Up | Choi Min-seon | Makeup & Hair |
| Camera | Lee Sung-jae | Director of Photography |
| Art | Seo Joo-yeon | Production Design |
| Art | Kim Nam-ho | Set Decoration |
| Sound | Jeon Young-gi | Production Sound Mixer |
| Visual Effects | Huh Dong-hyuck | VFX Supervisor |
| Sound | Kim Hyeon-gyu | Foley Artist |
| Visual Effects | Son Seung-hyeon | VFX Supervisor |
| Production | Park Ji-young | Executive Producer |
| Camera | Kim Hyeong-seop | Camera Operator |
| Production | Yeon Dong-eun | Executive Producer |
| Directing | Jeong Ga-young | Director |
| Writing | Jeong Ga-young | Writer |
| Production | Lim Eun-jung | Producer |
| Production | Yi Jae-min | Producer |
| Art | Lee Seok-jae | Props |
