10 years after "Marrying the Mafia 1". The three J's established an architecture company and have become well-known business. They hold pens instead of fists in their hands but things still happen around them and now even bother their children.
| Directing | Jeong Yong-ki | Director |
| Writing | Son Geun-joo | Screenplay |
| Production | Chung Tae-won | Producer |
| Writing | Chung Tae-won | Screenplay |
| Costume & Make-Up | Yoo Se-heui | Costume Design |
| Production | Shin Ye-rim | Producer |
| Crew | Jeon Yu-jun | Fight Choreographer |
| Production | Choi Hyun-mook | Co-Executive Producer |
| Writing | Jeong Yong-ki | Adaptation |
| Visual Effects | Lee Hee-kyoung | Special Effects Supervisor |
