Nostalgia keeps changing. The music, TV shows and junk food that leaves one generation misty-eyed are regarded by the next as quaint curiosities from a distant past, until they finally pass into that dead, hallowed realm known as history.
That mist often forms a couple decades or so after high-school graduation, when youth is definitely over, never to return. Not only old pop-culture detritus, but old relationships become precious, while the shared good times loom larger in the memory than the shared bad. We were miserable together — and wasn't it great!
Unless, of course, you are still unhappily married to your high-school idol, like Katsuyuki, the hero of Mikio Satake's directorial debut, "Dosokai (Class Reunion)," who is played by Satake himself (confusingly, under his real name, Takayuki Takuma).