Betrothed to My Sister's Ex

Betrothed to My Sister's Ex (2025)

Animation Comedy Drama Sci-Fi & Fantasy

Marie, the second daughter of a poor baron’s household, is treated like a servant by her parents. Even at Marie’s birthday party, her beautiful elder sister, Anastasia, is the star. Outside, Marie bumps into Count Kyuros Granado, who falls for her at first sight. Yet, due to a misunderstanding, the Count proposes to Anastasia. After a tragic accident, Marie must marry the count instead!

star 10
  • First Air Date: 2025-07-05
  • Last Air Date: 2025-07-26
  • Total Seasons: 1
  • Total Episodes: 6
  • Network: MBS, TBS, CBC

Where to Watch Betrothed to My Sister's Ex Online

You can now watch Betrothed to My Sister's Ex online on the following streaming providers in the United States.


    • Seasons

    • Season 1

      6 Episodes

    Trailer

    Cast

    • Rena Motomura

      Marie (voice)

    • Daiki Hamano

      Kyros (voice)

    • Minami Tanaka

      Anastasia (voice)

    • Ryohei Kimura

      Louisphon (voice)

    • Yoko Hikasa

      Mio (voice)

    • Sayaka Ohara

      Ryu Ryu (voice)

    • Tetsuya Kakihara

      Toppo (voice)

    • Tatsuyuki Kobayashi

      Thomas (voice)

    • Yuuka Aisaka

      Tunica (voice)

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