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Vivian Louis, the twenty-one-year-old daughter of a Count, seems sweet and innocent, but she has one guilty pleasure: her crush on the stunningly handsome Grand Duke Lennox Elphidion Glenn! Vivian fell in love with Lennox at first sight at the age of fourteen and has since become obsessed with him, creating countless pieces of fan art and fan fiction. But everything changes when an accident with her best friend's magical crystal ball results in Lennox being kidnapped and tied up in Vivian's bed. To make matters worse, Lennox accuses Vivian of being his kidnapper! Desperate to clear her name, the two agree to pretend to be a couple and sign a one-year contract. However, Lennox seems to want more than a fake relationship. As they continue their charade, Vivian realizes that her dream of being with Lennox could become a reality. Will this fake romance turn into a real one?
Type
Manhwa
Genre
Published
October 17, 2024
Updated
September 9, 2025
It Was a Mistake, Grand Duke! Episodes
Chapter 52
October 19, 2024
Chapter 51
October 19, 2024
Chapter 50
October 19, 2024
Chapter 49
October 19, 2024
Chapter 48
October 19, 2024
Chapter 47
October 19, 2024
Chapter 46
October 19, 2024
Chapter 45
October 19, 2024
Chapter 44.5
October 19, 2024
Chapter 44
October 19, 2024
Chapter 43
October 19, 2024
Chapter 42
October 19, 2024
Chapter 41
October 19, 2024
Chapter 40
October 19, 2024
Chapter 39
October 19, 2024
Chapter 38
October 19, 2024
Chapter 37
October 19, 2024
Chapter 36
October 19, 2024
Chapter 35
October 19, 2024
Chapter 34
October 19, 2024
Chapter 33
October 19, 2024
Chapter 32
October 19, 2024
Chapter 31
October 19, 2024
Chapter 30
October 19, 2024
Chapter 29
October 19, 2024
Chapter 28
October 19, 2024
Chapter 27
October 19, 2024
Chapter 26
October 19, 2024
Chapter 25
October 19, 2024
Chapter 24
October 19, 2024
Chapter 23
October 19, 2024
Chapter 22
October 19, 2024
Chapter 21
October 19, 2024
Chapter 20
October 19, 2024
Chapter 19
October 19, 2024
Chapter 18
October 19, 2024
Chapter 17
October 19, 2024
Chapter 16
October 19, 2024
Chapter 15
October 19, 2024
Chapter 14
October 19, 2024
Chapter 13
October 19, 2024
Chapter 12
October 19, 2024
Chapter 11
October 19, 2024
Chapter 10
October 19, 2024
Chapter 9
October 19, 2024
Chapter 8
October 19, 2024
Chapter 7
October 19, 2024
Chapter 6
October 19, 2024
Chapter 5
October 19, 2024
Chapter 4
October 19, 2024
Chapter 3
October 19, 2024
Chapter 2
October 19, 2024
Chapter 1
October 19, 2024
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