Wan is a newly married woman who married a man she met at a drinking party when she was a university student after three years of dating. Although it wasn't always smooth sailing, she was satisfied with her married life with her husband. However, her life was about to change completely due to her husband's boss. The boss threatened to demote her husband, and forced his penis, which was so swollen that the veins bulged, into the distraught Wan. Having been subjected to unwanted pleasure, Wan's Kokoro was gradually shaken and her ability to resist gradually weakened...