Season
- Season 1 2024-08-22
Episode
- Episode 1: Beginning: You’re Not My Brother
- Episode 2: Closer: It’s Only 4 Lips Touching Together
- Episode 3: Actually: We Can Give It a Go
- Episode 4: Splendor: At the End of the World
- Episode 5: Closed: Waiting for the Wind
- Episode 6: Plan : When to Open for Business?
- Episode 7: Belonging: Let’s Live on Campus
- Episode 8: Sparkle: Teenagers
- Episode 9: Naked: The Blossom of Youth
- Episode 10: Thief: Who Crossed the Boundary?
- Episode 11: Kiss: It’s Only 4 Lips Touching Together?
- Episode 12: New Beginning: Pain is Necessary for Rebirth
The On1y One Season 1 Plan : When to Open for Business?
When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.
