Greece Daifuugou to no Kindan no Yoru

Andreas, the heir to a wealthy family, is introduced to Isla, his father's new housekeeper. Attracted by her beauty and reserved demeanor, he is swept away by passion and kisses her. A year and a half later, Andreas is surprised to learn that his father is getting married again. But he's dismayed when he finds out Isla is the bride-to-be. He rushes to his father's house to see Isla, but why can't she look Andreas straight in the eye? (Source: MangaPlaza)