Betrothed to My Sister's Ex

Born into a legendary ducal family, martial prodigy Maria “Mimi” Annovazzi loses her claim as heir and is suddenly ordered to marry into prestige. With no options left in her homeland, she transfers to a neighboring kingdom—only to be publicly dumped at graduation by a prince she’s never met over an engagement she didn’t even know she had! Will Maria be doomed to the life of a spinster?!

High school student Saito Houjou is set to inherit his grandfather’s major corporation. First, he must marry Akane Sakuramori, the girl he despises the most, and who hates him just as much. The two are determined to keep their unexpected marriage a secret from their classmates. But as they begin their newlywed life, the distance between them starts to close.

Despite being born into a noble family, Miyo lost her birth mother at a young age and grew up being abused by her stepmother, stepsister, and father. When she finally receives news that she's to be married off, she finds out that her husband-to-be is Kiyoka, a soldier with a reputation for being cruel and heartless. In fact, he's had numerous previous fiancées who have all fled his household; none lasting even a mere three days. Resigned to the fact that her family had abandoned her, Miyo knocks on the gate of the Kudou household to find herself greeted by a beautiful man with pale skin. Despite the poor treatment she receives from her husband-to-be during their first meeting, Miyo is unable to return to her old home and spends her time cooking and doing chores. However, as the days pass, Miyo and Kiyoka being to slowly open their hearts to each other...

On the surface, Satoko has it all—she’s beautiful, the daughter of a nobleman, and at a prime age for marriage. Unfortunately, she is also quite ill and only has a short time left to live. Before she can secure a marriage that will redeem her worth in her family’s eyes, she finds herself the target of the mysterious assassin Shinpei, and her plans are put in jeopardy. In order to save herself, she makes a desperate proposal—of marriage! When it comes to love, however, Shinpei takes “until death do we part” seriously.