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.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Beginning: You're Not My Brother | 2024-08-22 | 49 min |
| Season 1 | Episode 2 | Closer: It's Only 4 Lips Touching | 2024-08-22 | 50 min |
| Season 1 | Episode 3 | Actually, we can give it a try | 2024-08-28 | 56 min |
| Season 1 | Episode 4 | The glamorous end of the century | 2024-08-29 | 57 min |
| Season 1 | Episode 5 | Closing Time: All because the wind picked up | 2024-09-04 | 54 min |
| Season 1 | Episode 6 | When are you planning to reopen? | 2024-09-05 | 51 min |
| Season 1 | Episode 7 | Belonging: Let's live on campus together | 2024-09-11 | 47 min |
| Season 1 | Episode 8 | Shining: Boys at 16 or 17 | 2024-09-12 | 48 min |
| Season 1 | Episode 9 | Naked: The Blossom of Youth | 2024-09-18 | 50 min |
| Season 1 | Episode 10 | Thief: Who has crossed the line? | 2024-09-19 | 53 min |
| Season 1 | Episode 11 | Kissing: It was just four lips touching each other | 2024-09-25 | 49 min |
| Season 1 | Episode 12 | New Beginning: Pain is Necessary for Rebirth | 2024-09-26 | 58 min |
| 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 |
