When her husband Sosuke's younger brother disappeared, leaving behind a large amount of debt, Sosuke, unable to find a way to repay it, consulted with the company president, Ozawa. Ozawa then suggested that Nami work as his secretary. That is, to become Ozawa's "mistress." All previous secretaries had been like that. However, with no way to repay the debt, Sosuke believed Nami's words that "I won't betray you," and agreed to let her become his secretary. However, Nami's words were fleetingly drowned out by a passionate kiss in the name of Ozawa's employment test...