Yui joins her father's company and enjoys a pampered life as a beloved employee. However, the lecherous president, Mr. Sugimura, sets his sights on her and appoints her as his secretary, making lascivious advances. When Yui resists, Sugimura threatens her father's job security, forcing her into submission. After her mother's death, Yui feels indebted to her father, who raised her alone, leaving her with no choice but to comply...