Her oldest sister Saki is about to get married, so Fukuko arranges for an inventor, Manpei Tachibana, to do a show at the ceremony using his new slide projectors.
A few years later, when Japan is at war, they meet again and start dating, but Fukuko's mother Suzu wants her to marry the man she selects.
But things turned bad when Manpei is arrested by the Kenpeitai for supposedly illegally selling military goods.
Manpei decided to use the steel plates in the factory to make salt, which was a highly sought after commodity at the time.
Manpei also provided scholarships for the young workers to attend university part time and complete their education in Tokyo.
Azuma also helped Manpei to dissolve his Tachibara nutrition food company, in order to evade the tax authorities.