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Series like Betrothed to My Sister's Ex

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Series · 10 connections

Betrothed to My Sister's Ex (2025)

Marie, the second daughter of a poor baron’s household, is treated like a servant by her parents. Even at Marie’s birthday party, her beautiful elder sister, Anastasia, is the star. Outside, Marie bumps into Count Kyuros Granado, who falls for her at first sight. Yet, due to a misunderstanding, the Count proposes to Anastasia. After a tragic accident, Marie must marry the count instead!

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What to watch after Betrothed to My Sister's Ex

A series shortlist from the cached Film Atlas engine. The interactive map may include more titles or newer results. These are similarity matches, not a guarantee of age suitability.

  1. 01

    I Made Friends with the Second Prettiest Girl in My Class

    Similar atmosphere

    2026 · 24 min · Animation · Comedy · Drama

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    Maki Maehara, the class outcast, finally makes his first friend: Umi Asanagi, the second-prettiest girl in class and the center of everyone’s attention. He’s convinced she’s out of his league, but as their unlikely friendship grows, Maki starts to wonder…could there be more than just friendship between them?

    Why it connects

    • strong shared themes: anime and based on light novel
    • strong genre and series-style overlap
    • a closely matched era
    Explore series like I Made Friends with the Second Prettiest Girl in My Class
  2. 02

    ORESUKI Are you the only one who loves me?

    Similar atmosphere

    2019 · 24 min · Animation · Comedy · Drama

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    Kisaragi Amatsuyu is invited out alone by the cool beauty upperclassman Cosmos and his childhood friend Himawari. Expecting to hear their confessions, he triumphantly goes to meet each of them in turn. But Cosmos and Himawari both instead confess to Amatsuyu that they like his friend. Amatsuyu fights this lonely battle, but there is another girl who is looking at him. She is a gloomy girl with glasses and braids. Amatsuyu finds that he hates her, because she's always turning her sharp tongue only on him and finding enjoyment in his troubles. But it turns out that she's the only one who actually does like him.

    Why it connects

    • strong shared themes: anime and based on light novel
    • strong genre and series-style overlap
    • similar audience response
    Explore series like ORESUKI Are you the only one who loves me?
  3. 03

    Bibliophile Princess

    Similar atmosphere

    2022 · 24 min · Animation · Drama

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    When book-loving Lady Elianna spots Prince Christopher—her betrothed in name only—consorting with another noble lady, she realizes the recent rumors must be true. The prince has someone he truly loves, which means the annulment of their engagement is both inevitable and fast-approaching. What she doesn't realize is that this is merely a surface ripple—one of many where the truth runs deep, in a conspiracy surpassing her imagination!

    Why it connects

    • strong shared themes: anime and based on light novel
    • strong genre and series-style overlap
    • a closely matched era
    Explore series like Bibliophile Princess
  4. 04

    7th Time Loop: The Villainess Enjoys a Carefree Life Married to Her Worst Enemy!

    Shared themes

    2024 · 24 min · Animation · Drama · Sci-Fi & Fantasy

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    Rishe, the duke’s daughter, is no stranger to reincarnation—it’s her seventh life, after all. Each life restarts at her broken engagement. Having been a merchant, a maid, and a knight, she now desires leisure. But her world changes when a prince, who killed her in a past life, proposes! To prevent war and live to a ripe old age, she begins her seventh life as the bride of an enemy nation’s prince.

    Why it connects

    • strong shared themes: anime and based on light novel
    • substantial genre overlap
    • a closely matched era
    Explore series like 7th Time Loop: The Villainess Enjoys a Carefree Life Married to Her Worst Enemy!
  5. 05

    Nina the Starry Bride

    Shared themes

    2024 · 24 min · Animation · Drama · Sci-Fi & Fantasy

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    Nina never imagined she would be at the center of a royal deception. She’s had a rough start in life as an orphan in the castle town of Fortna. But when Prince Azure notices that her deep blue eyes look the same as the late Princess Alisha’s, he ordains that she takes her place and marry the Prince of Galgada. Despite this uncertain fate, she finds joy in knowing someone finally needs her.

    Why it connects

    • strong shared themes: anime and josei
    • substantial genre overlap
    • a closely matched era
    Explore series like Nina the Starry Bride
  6. 06

    Makeine: Too Many Losing Heroines!

    Similar atmosphere

    2024 · 24 min · Animation · Comedy · Drama

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    Meet the girls on the losing side of romance! First is Anna Yanami, the girl-next-door type who can’t say no to delicious food. Then there’s Lemon Yakishio, a beautiful and spirited athlete. Last but not least is Chika Komari, the cute yet shy heroine with gentle charm. Together, they navigate awkward setbacks hoping to finally find love!

    Why it connects

    • strong genre and series-style overlap
    • shared themes: anime and based on light novel
    • a closely matched era
    Explore series like Makeine: Too Many Losing Heroines!
  7. 07

    A Condition Called Love

    Similar atmosphere

    2024 · 24 min · Animation · Comedy · Drama

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    High school freshman Hotaru Hinase has a vibrant life full of family and friendship, but not much luck in romance. That all changes when she makes a warm gesture to her handsome and heartbroken classmate, Hananoi, leading to him asking her out and her becoming flustered. Witness a girl who grapples with the enigma of love and a boy who is heavy handed with it.

    Why it connects

    • strong genre and series-style overlap
    • shared themes: anime and romance
    • a closely matched era
    Explore series like A Condition Called Love
  8. 09

    Horimiya: The Missing Pieces

    Similar atmosphere

    2023 · 24 min · Animation · Comedy · Drama

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    A new anime project that adapts popular side stories that were left out of the main anime series. As the graduation ceremony at Katagiri High School comes to an end, Kyouko Hori, her boyfriend Izumi Miyamura, and their friends begin to look back on their time as students. The moments they shared together may be fleeting, but each one is a colorful piece of their precious memories.

    Why it connects

    • strong genre and series-style overlap
    • shared themes: anime and romance
    • a closely matched era
    Explore series like Horimiya: The Missing Pieces
  9. 10

    The Angel Next Door Spoils Me Rotten

    Similar atmosphere

    2023 · 24 min · Animation · Comedy

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    Amane lives alone in an apartment, and the most beautiful girl in school, Mahiru, lives just next door. They've almost never spoken—until the day he sees her in distress on a rainy day and lends her his umbrella. To return the favour, she offers him help around the house, and a relationship slowly begins to blossom as the distance between them closes…

    Why it connects

    • strong shared themes: anime and based on light novel
    • strong genre and series-style overlap
    • a closely matched era
    Explore series like The Angel Next Door Spoils Me Rotten

How these series recommendations work

Film Atlas combines story similarity, series metadata and TMDB relationship signals. Shared networks can support a match; audience safeguards help avoid poor fits. The explanations above come from the engine’s recorded evidence—not invented reviews.

A similarity match is different from a quality rating. Use the map to explore the connections and decide what fits your mood.

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