The probability of a couple that had broken up getting back together and having a successful relationship is just 3%. Dong-hee and Young, who had broken up over a minor tiff, later realize their love for each other and end up getting back together. But will they be able to fit into the 3% bracket?
| Directing | Roh Deok | Director |
| Writing | Roh Deok | Screenplay |
| Production | Hong Jee-yong | Producer |
| Costume & Make-Up | Ham Hyun-joo | Costume Design |
| Crew | Hongeun Kim | Cinematography |
| Sound | Kim Jun-seong | Original Music Composer |
| Camera | Park Jong-cheol | Director of Photography |
| Lighting | Kim Jae-keun | Gaffer |
| Production | Han Jae-rim | Producer |
| Production | Cha Won-chun | Executive Producer |
| Production | Kim Kwan-hun | Line Producer |
| Editing | Jung Jin-hee | Editor |
| Art | Lee Na-gyeom | Production Design |
| Visual Effects | Cho E-suck | VFX Supervisor |
| Sound | Yim Dong-seok | Production Sound Mixer |
| Camera | Byeon Ji-su | Camera Operator |
| Camera | Lee Geun-woo | Key Grip |
