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I only remember the first chapter. The villainess is at the engagement/annulment party. She slaps the heroine and then convinces the heroine to separate from the prince by saying she will save her from her (Heroine) family. The heroine pursued the prince because her family threatened her mother’s livelihood (or something like that). She then slaps the prince and tells him to marry her and that only she is fit to be his fiancée. The prince is moved and falls in love?? And they’re lovey dovey until the next chapter when she almost gets assassinated on her wedding day?? If anyone knows? Thx