Guilty pleasure watching 
That and 警視庁・捜査一課長 are my go-tos for formulaic crime shows.
If you watch many JP dramas I’m sure brandon (creator of this site) would like your input on perceived difficulty. The next major feature for Natively is audio/visual difficulty media ranking.
Oh sorry, should have been more clear. Didn’t mean to say they were all golden age, just that it’s my favorite as well. Was sharing my own scattered introduction to mystery.
