Seen everything by Akira Nagai?
If you've already watched everything Akira Nagai directed, here are 12 films from other directors that share the orbit of Suzuki=Bakudan — the catalog's mood-cluster and similarity-graph neighbours, filtered to exclude Akira Nagai's own filmography. Where to go next. (Also: Akira Nagai's full filmography · where to start with Akira Nagai.)
Last Mile
paranoidrawslow burn
Rage
bittersweetoutsiderparanoid
Kaiji: Final Game
gut punchmindfuckparanoid
Hell Dogs
mindfuckneon soakedparanoid
A Man
outsiderparanoid
Missing
dreadoutsiderslow burn
xxxHOLiC
neon soakedoutsidersurreal
Kakegurui 2: Desperate Russian Roulette
paranoidraw
Murder of the Inugami Clan
bittersweetparanoidslow burn
The Night Beyond the Tricornered Window
neon soakedparanoidsurreal