Soo-kyung works as a reporter. She has an older brother, Sung-ho, and younger sister, Joo-mi. She thinks of her two siblings as burdens. One day, Nak appears in front of them. He is their youngest sibling.
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| Directing | Ma Dae-yun | Director |
| Art | Kim Jin-chul | Production Design |
| Costume & Make-Up | Yang Hee-hwa | Costume Design |
| Editing | Moon In-dae | Editor |
| Production | Jay Song | Co-Executive Producer |
| Production | Kim Sung-jin | Co-Executive Producer |
| Editing | Jeong Gye-hyeon | Editor |
| Camera | Jo Yeong-sang | Director of Photography |
| Art | Yoon Beom-seok | Art Direction |
| Writing | Yoon Pil-joon | Writer |
| Crew | Jung Doo-hong | Fight Choreographer |
| Production | Huh Soo Young | Co-Executive Producer |
| Sound | Seo Ji-hoon | Boom Operator |
| Lighting | Lee Je-woo | Lighting Director |
| Visual Effects | Cho E-suck | VFX Supervisor |
| Sound | Ahn Sung-il | Production Sound Mixer |
| Crew | Jeong Yoon-heon | Martial Arts Choreographer |
| Crew | Song Min-seok | Stunts |
