Yumi had a happy family life, married to her husband who worked at a comprehensive manufacturer of system baths, enjoying peaceful days together. However, she was kidnapped by corrupt individuals connected to her husband's company and subjected to intense training. Threatened by her husband's superiors and unscrupulous clients, she was forced to learn the skills of a hostess against her will. Her life took a drastic turn as she was thrust onto a new path, becoming a sex slave under complete control.