Don't Cry, Side Character Who Transmigrated into a Book

Romance version: Leng Xia works so much overtime that she transmigrates into the body of a CEO's wife whose relationship with her husband is cold and distant. But why is this CEO so different from the one in the book?

Career version: [A goofy, tough heroine's story of struggle.] Leng Xia transmigrates into a book, thinking she's a big-shot CEO. But it turns out the so-called advertising company has only two employees. They do nothing but take ID photos and design flyers. Luckily, Leng Xia is hardworking enough to turn the tiny shop into a major company after plenty of hard work.