The Heroine has an Affair with my Fiancé

Fencing champ Rina is on cloud nine after winning gold at the Olympics, but is pulled down to earth when she wakes up as an extra in her favorite novel. Though she thinks she'll have a front-row seat to the hero and heroine's romance, Rina learns that it's been 25 years since they both tragically died. On top of that, their son, Leo, is being treated like a traitor by the very royal family his parents fought to protect! Fueled by her fangirl determination, Rina raises her sword to clear Leo's name and give him the happy ending he deserves.