If you loved Casshern, try Virus
A bridge between a film you've already seen and one most people haven't. Virus has roughly 3.6× fewer votes than Casshern — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.
What they share
Theyboth carry the dread mood tag, and they sit in Drama / Horror / Science Fiction territory. If that's the register that drew you to Casshern, the second film will land in a comparable space — through a different lens.
What Virus is
Frigid midnight. Diesel generators hum. The last thermometer reads -60C. An outpost of bloodstained scrubs toggles microscopes by candlelight as a pink lymph sample curdles slowly under the glass. The radio hisses static and a child’s cough. Fukasaku’s 1980 grindhouse fable: the end comes dressed in fogged breath and the smell of burnt wiring.

