Sesanggwado Bakkul Su Eopseo!
Can't Lose You·세상과도 바꿀 수 없어!
Two girls from vastly different backgrounds meet after realizing they share the same face. Yooi is a hardworking girl struggling to earn money to pay off her father's debts and reunite her family. Lida is a wealthy heiress set to enter a marriage she is eager to complete. When Yooi takes a risky job as Lida's look-alike, she becomes entangled in a dangerous situation involving assassins and develops feelings for Lida's fiancé. Lida remains unaware of the surprising truth that awaits her in this story of unexpected twists and emotional conflict.