
Episodes

1. I Could Never Replace My Sister
5 Jul 2025 · 25 min · 8.0/10
Marie is always dressed in tatters and is treated like a servant in her own home. Then she meets Count Kyros.

2. Marie, I Want to Marry You
12 Jul 2025 · 25 min · 7.5/10
Kyros hates aristocratic society and its ties of obligation. But why? And what changed when he met Marie?

3. A Life I Saw in a Dream, and a Dream-like Life
19 Jul 2025 · 25 min · 7.0/10
Marie begins her new life as Kyros' fiancée and finds herself bewildered by the differences from her old life.

4. I've Found the Things I Like
26 Jul 2025 · 25 min · 7.0/10
Kyros wants to provide Marie with every comfort, but Mio cautions him. Then a package from the baron arrives.

5. The Prince and the Pitch-Black Warrior
2 Aug 2025 · 25 min · 7.0/10
Luiphon takes Marie to a sword fighting contest. The ferocity of it scares her. Then the dark warrior fights.

6. Am I Enough As I Am?
9 Aug 2025 · 25 min · 8.0/10
Liu Liu, Kyros' mother, discovers surprising things about Marie. Mio investigates the baron on Kyros' orders.

7. You're So Close, I Think You May Make Me Dizzy
16 Aug 2025 · 25 min · 7.0/10
Mio investigates a comment in a letter from Marie's brother. Marie and Kyros go to the capital for a date.

8. A Gift More Lovely Than Jewels
23 Aug 2025 · 25 min · 7.0/10
Kyros and Marie meet Luiphon at a jeweler's at his request. Thoughts of Anastasia haunt Marie's happiness.

9. In Pursuit of Anastasia's Spirit
30 Aug 2025 · 25 min · 7.0/10
Kyros demands the truth of Anastasia's accident, but he and Marie are not prepared for the answers they find.

10. Please Call Off the Betrothal
6 Sept 2025 · 25 min · 6.0/10
Worried, Kyros arranges to meet with Norman. But as Marie hears him describe his apprentice, her fears grow.

11. The Empty Princess Lives
13 Sept 2025 · 25 min · 6.0/10
Marie's attacker talks about the past. Why did little Marie's life change so much? Why was she left in rags?

12. It's Time to Settle This
20 Sept 2025 · 25 min · 6.0/10
Marie is determined to settle things. But even with everyone's help, how will she confront her parents?
Betrothed to My Sister's Ex Season 1: quick answers
How many episodes are in Betrothed to My Sister's Ex Season 1?
Season 1 of Betrothed to My Sister's Ex has 12 episodes, about 5 hours in total.
When did Betrothed to My Sister's Ex Season 1 come out?
Season 1 premiered on 5 Jul 2025.