Jukujo no yûwaku: Iregui no yado

Overview:

After the affair, Keiji presses Yoshiko to marry him, but Yoshiko refuses because she is concerned about the fact that she is older than Keiji. Meanwhile, Yoshiko is selected as the secretary of the new company president, Okawa, and she is invited by Okawa to his villa in Izu. She was told to find a replacement for her private driver, who is currently on vacation, and she recommended Keiji.