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Betrothed to My Sister’s Ex (Manga) Series

Chikage Nakakura and Tobirano
Betrothed to My Sister's Ex (Manga) Vol. 1 by Tobirano
Available on (01-20-26)

Betrothed to My Sister’s Ex (Manga) Vol. 1

Book 1
Paperback $13.99

Betrothed to My Sister’s Ex (Manga) Series : Titles in Order

Book 3
A KNIGHT IN BLACK ARMOR

Having been invited to attend a ceremony at the royal knights’ headquarters, Marie is suddenly thrust into public life, where she’s quickly scrutinized by Count Kyros’s friend, Prince Louisphon. With comments about her appearance and her lack of noble manners, it’s an all too common occurrence within Marie’s life. However, when the count draws his blade to defend his fiancée’s honor, the matter quickly becomes one for the arena. Will a duel be what it takes to turn this political marriage into one of binding love?

Based on the popular light novel series that also inspired an anime!
Book 2
SERVING THE SERVANT

She may be betrothed to the rich and handsome Count Kyros, but that doesn’t mean an end to Marie’s woes. While she was born the daughter of a baron, life at the count’s mansion is a deluge of unexpected luxuries—lavish meals, fine dresses, and handmaids to tend to her every whim. Yet they each come with new challenges, and when she becomes the target of her noble handmaids’ gossip, Marie finds herself split between her former and current lives. Is freedom to live a happy life really too much to ask for?

Based on the popular novel series that also inspired an anime!
Book 1
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 complicated. Light novels also from Seven Seas—and don’t miss the anime!

Marie was never meant to shine. Though she’s a baron’s daughter, she’s treated like a servant in her own home—especially compared to her glamorous sister, Anastasia. Even on Marie’s birthday, the spotlight is stolen, as the family uses the party to parade Anastasia before potential suitors. But when the dashing Count Kyros accidentally stumbles upon Marie—ragged clothes and all—he’s instantly taken with her. Sparks fly… until a mix-up leads him to propose to the wrong sister! Can Marie and Kyros overcome the confusion and find their way back to each other?

Based on the hit light novel series that also inspired the anime—don’t miss this Cinderella romance where love blooms in the most unexpected way!