Updated for 2026: We checked the current legal streaming options for Betrothed to My Sister’s Ex and refreshed this guide with direct platform links, region notes, and checked-but-excluded services.
Betrothed to My Sister’s Ex — also useful to search as ずたぼろ令嬢は姉の元婚約者に溺愛される / Zutaboro Reijou wa Ane no Moto Konyakusha ni Dekiai sareru — is a romantic fantasy about Marie, a mistreated noblewoman whose life changes after a misunderstanding sends her toward a politically tangled engagement with her sister’s former fiancé. Start with Crunchyroll, then check the platform page in your country because anime streaming libraries vary by region.
Where to Watch Betrothed to My Sister’s Ex Online
| # | Service | Type | Availability / Countries | Best For |
|---|---|---|---|---|
| 1 | Crunchyroll | Subscription anime streaming | Official Crunchyroll series page confirmed; regional availability varies | Best international anime-first option |
| 2 | U-NEXT | Subscription streaming | Japan; direct U-NEXT anime title page confirmed | Japan subscription option |
| 3 | dAnime Store | Subscription anime streaming | Japan; direct dAnime Store title page confirmed | Japan anime-specialty option |
Streaming libraries change by country, so check the platform page before subscribing. If a service is region-locked, NordVPN may help you access your usual account while traveling.
Best Legal Options
Crunchyroll is the best place to start for Betrothed to My Sister’s Ex. Secondary services, when listed, are useful if you already subscribe through that platform or if the title is easier to find there in your country.
Is Betrothed to My Sister’s Ex Free to Watch?
We did not find a reliable free, full-title legal streaming option during this update unless a listed service offers free catch-up access in your region. Avoid unofficial uploads; they disappear quickly, may be unsafe, and do not support the creators.
Title Notes
Use both the English title and the long Japanese title when searching; apostrophes and curly quotes can hide platform results.
Should You Use a VPN?
A VPN is most useful when you are traveling and your normal legal streaming account stops showing a title. Because Betrothed to My Sister’s Ex has a confirmed legal viewing option for viewers in the United States, connecting through a United States server with NordVPN may help you access your usual account while abroad. Use it for legitimate account access while traveling, not for piracy.
Bottom Line
If you want to watch Betrothed to My Sister’s Ex legally in 2026, check Crunchyroll first and use JPBound’s Where To Watch anime database for more streaming guides.
