It's Okay, Daddy's Girl(2010)

Original title: 괜찮아, 아빠 딸

Being the youngest and spoiled in her family, Eun Chae-ryung would always completely rely on her father, Eun Ki-hwan. When he has a brain hemorrhageone day, she begins to realize that she must grow out of her sheltered life and face numerous hardships before becoming an independent person.