While studying abroad in Russia, Lily was scouted by her husband, Shinichi, who came for business and decided to work with him. As she learned Japanese from Shinichi, the distance between the two became shorter and she got married. She had happy days for the next three years, but one day her husband was deceived by her friend who was her partner and she owed a lot of debt. For her husband, Lily decides to work as a secretary at Abe's company. However, she has no choice but to accept her "her mistress secretary", which also serves as her physical relationship presented by Abe, in order to make up for her husband's debt.