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Manga like It Was a Mistake, Grand Duke!
Also known as Daegongnim, Silsuyeosseoyo!, Grand Duke, It Was a Mistake!, Grand duc, c'était une erreur !. Picked from what people who loved It Was a Mistake, Grand Duke! went on to love and from what they share with it, like Magic. Show
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The Incognito Princess
Ilkohaneun Hwangnyeonim
Recommended by 3 It Was a Mistake, Grand Duke! fans on AniList.
Agnes Saint is a princess with a reputation for cruelty and an unhealthy obsession with the dashing Captain Raymond. But when her personality changes overnight, it baffles everyone around her. The secret? The soul of a fangirl replaced Agnes in the middle of the story. Now,…
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More manga for fans of It Was a Mistake, Grand Duke!
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No More Nice SisThe same kind of story: arranged-marriage duke romance manhwa.
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Saving My SweetheartBoth have Magic.
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What's Wrong with You, Duke?Both have Magic.
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Tricked into Becoming the Heroine's StepmotherFull Color, Reincarnation, Royal Affairs
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I Thought My Time Was Up!Royal Affairs, Heterosexual, Female Protagonist
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I Married the Male Lead's DadBoth have Magic.
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The Divorcée's Dessert CafeFull Color, Food, Female Protagonist
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I Think I Married the Wrong GuyFull Color, Heterosexual, Long Strip
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The Antagonist's PetReincarnation, Female Protagonist, Heterosexual
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The Rewards of MarriageBoth have Magic.
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Priscilla's Marriage ProposalBoth have Magic.
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The Villainess's Stationery ShopBoth have Magic.
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It Was All a MistakeBoth have Magic.
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Please Marry Me Again!Heterosexual, Female Protagonist, Marriage
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The Ice Guy and the Cool GirlPrimarily Adult Cast, Heterosexual, Male Protagonist
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I Can't Keep Up With My Stallion DukeFull Color, Heterosexual, Female Protagonist
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I Didn't Mean to Seduce the Male Lead!Long Strip, Royal Affairs, Female Protagonist
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A Wicked Tale of Cinderella's StepmomFamily Life, Full Color, Fairy Tale
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The Villainess Flips the Script!Reincarnation, Heterosexual, Long Strip
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Bring the LoveForeign, Heterosexual, Primarily Adult Cast
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I Was Tricked into this Fake Marriage!Full Color, Heterosexual, Isekai
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Lovesick EllieShoujo, School, Tsundere
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The First Night With the DukeFull Color, Heterosexual, Primarily Adult Cast
Anime for fans of It Was a Mistake, Grand Duke!
About It Was a Mistake, Grand Duke!
(Source: Tappytoon)