When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.
You can now watch The On1y One online on the following streaming providers in the United States.
| Crew | Ken Xu | Presenter |
| Production | Ken Xu | Executive Producer |
| Production | Kuang-Hui Liu | Executive Producer |
| Crew | Jason Liao | Presenter |
| Production | Muir Chang | Co-Producer |
| Production | Albee Huang | Production Supervisor |
| Directing | Kuang-Hui Liu | Director |
| Writing | Mu Suli | Novel |
| Writing | Yu-Chen Wang | Writer |
| Writing | Kuang-Hui Liu | Writer |
| Sound | Ricky Hsiao | Theme Song Performance |
| Sound | Princess Ai | Theme Song Performance |
| Sound | Li Zhi Ting | Theme Song Performance |
