Betrothed to My Sister's Ex (2025)
| First Air Date: | 2025, July 5 |
| Last Air Date: | 2025, September 20 |
| Status: | Ended |
| Seasons: | 1 |
| Episodes: | 12 |
| Countries: | Japan |
| Production: | LandQ Studios, Futabasha, NK Animation, MBS, Pierrot, Starry Cube, Bit grooove promotion |
| Cast: | Sayaka Ohara, Ryohei Kimura, Tetsuya Kakihara, Yoko Hikasa, Daiki Hamano, Minami Tanaka, Rena Motomura, Yuuka Aisaka, Tatsuyuki Kobayashi |
Overview:
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!