FL, Grace McClean was an orphan when one day the Eldonia family saved her and took her in as their daughter Penelope's companion and bodyguard. Penelope was a naive girl and hadn't even debuted in noble society when she was proposed to by Duke Pelton who was known for mistreating his past 98 wives. Since no one knew Penelope's name or face FL saw this as a way to return the family's kindness and decided to pose as their daughter and marry the Duke instead.
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The Duke's 99th Bride