For the final birthday party of the eldest son, a family gathers in the house to have a plan with a bus..... Mother asks each of them to stay in his room for 10 minutes. Each person reveals personal wounds and secrets.
You can now watch Happy Bus Day online on the following streaming providers in the United States.
| Directing | Lee Seung-won | Director |
| Writing | Lee Seung-won | Writer |
| Art | Jang Min-woo | Production Design |
| Production | Kim Sang-su | Producer |
| Sound | Lee Jong-ho | Sound Recordist |