Betrothed to My Sister's Ex (Light Novel) Books in Order
Illustrated by Mai Murasaki
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The Betrothed to My Sister's Ex (Light Novel) series by Tobirano includes 3 books published in 2026.
✓ All 3 books verified against the publisher's official series list.
Publication order
In the order the books were originally released.
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Buy on AmazonBetrothed to My Sister's Ex (Light Novel) Vol. 1
2026 · Tobirano
A woman who’s lived her life in the shadow of her sister must suddenly take her place after a tragic accident—but her life is about to get way more…
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Buy on AmazonBetrothed to My Sister's Ex (Light Novel) Vol. 2
2026 · Tobirano
A DREAM COME TRUE, BUT... Marie has never been known as a beauty. She’s as tall as a man, has unruly red hair, and only ever wears rags. She could…
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Buy on AmazonBetrothed to My Sister's Ex (Light Novel) Vol. 3
2026 · Tobirano
FIRST COMES LOVE, THEN COMES MARR—NOT SO FAST!! Marie is now living a life she’s only ever dreamed of. Thanks to the love of Kyros, the richest man…
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Betrothed to My Sister's Ex (Light Novel) Vol. 4📅 Expected Jan 12, 2027
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Betrothed to My Sister's Ex (Light Novel) Vol. 5📅 Expected May 11, 2027
Read more →✓ = numbering verified against the publisher's official series list.
📅 = publisher-announced release dates; subject to change. All upcoming releases →
Frequently asked questions
What order should I read the Betrothed to My Sister's Ex (Light Novel) books in?
Read them in publication order, starting with “Betrothed to My Sister's Ex (Light Novel) Vol. 1”. Start with “Betrothed to My Sister's Ex (Light Novel) Vol. 1.”
How many books are in the Betrothed to My Sister's Ex (Light Novel) series?
We list 3 books by Tobirano , published in 2026.
When is the next Betrothed to My Sister's Ex (Light Novel) book released?
The next book is “Betrothed to My Sister's Ex (Light Novel) Vol. 4”, book 4 in the series, expected Jan 12, 2027. That is the publisher's announced date and can change; this page updates when it does.
Where can I buy the Betrothed to My Sister's Ex (Light Novel) books?
Each title above links to Amazon. See our affiliate disclosure.
Reading order compiled from author/publisher guidance and verified bibliographic data. Spotted a wrong order, a missing book, or any other mistake? and we'll correct it.