Eight prime ministers have come from Yamaguchi - the most of any prefecture.
Just to name a few...
The Kobe and Akashi Nude Murder Cases (1980s)
The Kobe Serial Child Murders (1997)
The Kobe Graduate Student Lynching Case (2001)
The Amagasaki Serial Murder Incident (2000s)
The Takarazuka Crossbow Murders (2020)
Nagano also has the highest consumption of miso, and yet somehow it also has the longest life expectancy. Go figure.
The national average is around 4 such schools per 1,000 students, so Wakayama has ~50% more.
At New Year's, pachinko devotees travel to Mie to play for 38 hours straight, from 7 am to 9 pm the next day.
It's very noticeable if you go there, and nobody is sure how they all stay in business, yet new ones still seem to be opening all the time.
It made sense for distribution, since Shiga is in the center of Japan. Also, lake water is used to cool machinery (and in the past, dumping industrial waste).
35% of Shiga's GDP comes from manufacturing, the highest in Japan.
All that said, Aomori's "short" life expectancy is 79 for men and 86 for women, which would be fantastic in almost any other country.
Interestingly, the 2nd search term for Akita was "beautiful women" and 2nd for Ishikawa was "handsome men."
The 2nd search term for Niigata was: "rice"