The On1y One 2024

When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.

  • Poster for Season 1

    Season 1

    2024

    12 episodes

    Season 1 of The On1y One premiered on August 22, 2024.

    When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.