Billionaire substitute bride

"Don't you ever experience a twinge of remorse or sorrow? Consider this: If someday I were to swap places with Mia, and she still held a grudge, she'd surely retaliate. Can you imagine the intensity of a vengeful woman? Aren't you apprehensive about that?" Charles calmly replied, "She won't get that chance." --- Maria, taking on her sister's role to wed Charles, initially anticipated a life resembling widowhood. However, the Charles who had been absent for two years unexpectedly returned. Driven by her sole concern for her father's well-being, she found herself entangled in a complex web with Charles and her sister's intertwined lives. Now, as the time draws near for her departure, she finds herself falling in love with Charles – someone she believed cherished her sister, the genuine Mia. How will she navigate these emotions and the unexpected turn of events?