Tsubaki is a married woman living a life of luxury. Her husband's job is going well, and she thought this lifestyle would continue forever. However, her life is turned upside down by her husband's boss. He suspects her husband of embezzlement, and forces his cock, which is so swollen that the veins pop out, into the distraught Tsubaki. Having been subjected to unwanted pleasure, Tsubaki's Kokoro is gradually shaken as well, and her ability to resist gradually weakens...