S01 · E01
2,498 watching now
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!
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)
Where to Watch Betrothed to My Sister's Ex Online
Betrothed to My Sister's Ex is available to stream free in HD on StreamVaults. No account, no sign-up and no subscription — press play above to start watching on your phone, tablet, laptop or TV browser.
Frequently Asked Questions
Where can I watch Betrothed to My Sister's Ex?
You can watch Betrothed to My Sister's Ex free in HD on StreamVaults — no sign-up or account required.
Is Betrothed to My Sister's Ex available to watch online?
Yes, you can stream Betrothed to My Sister's Ex free on StreamVaults in HD — no sign-up required.
When did Betrothed to My Sister's Ex first air?
Betrothed to My Sister's Ex first aired in 2025.
What genre is Betrothed to My Sister's Ex?
Betrothed to My Sister's Ex is a Animation, Comedy, Drama series.
How many seasons does Betrothed to My Sister's Ex have?
Betrothed to My Sister's Ex has 1 season and 12 episodes in total.
What is Betrothed to My Sister's Ex rated?
Betrothed to My Sister's Ex has a TMDB rating of 8.0/10 based on 32 reviews.
What is the status of Betrothed to My Sister's Ex?
Betrothed to My Sister's Ex has ended.
