The serious and hardworking salaryman husband had become quite enthusiastic about complex investment topics like 'asset formation' and 'cryptocurrency' around last year. Hana, the virtuous part-time housewife in her fifth year of marriage, had casually told him, 'Don't get too carried away...'. One day, her husband came home with his company superior. It turned out that this male superior was renowned within the company as a charismatic trader, a 'billionaire'!
