Norihito and Azuma Hisato have a beautiful marriage. But when Norihito makes a mistake at work, and the company loses millions because of him, Norihito is forced to leave the company after Hisato refuses the proposal the president proposed of her becoming his private secretary to make up for the loss knowing that the president has no good intentions from this proposal at all.
However this left Norihito unemployed and trapped in debt and the loan because of the President's anger. However when all hope seems lost, a former friend offers Norihito a job at Ichimatsu intelligence, needing his help to design an invention that would change the course of history forever.