Agyeogege Jeongchereul Deulkyeobeoryeotda

Eunha, a fencing prodigy, finds herself in a fictional world as Selena Evan, the daughter of a famous swordsman. Though her new life seems manageable, she faces a dire fate unless she escapes the grasp of Prince Ignus, the villain. When Selena’s twin brother, Celestine, flees to avoid military service, she takes his place to prevent her family’s execution. However, maintaining her disguise proves difficult as Ignus notices her exceptional sword skills and aims to recruit "Sir Celestine" as his leading enforcer. With the constant risk of being discovered, Selena must navigate her dangerous situation carefully to avoid capture by the villain.