I see what you are talking about, the genre entry on the IMDB:
http://www.imdb.com/Title?0327162Hopefully that is just the production team screwing with us. What is next? "Grave of the Fireflies" as a comedy?
This also reminded me of the recent post about "I Married a Monster from Outer Space." The movies have a similar feel to them. Woman, powerless and isolated in a society dominated by men. Plus, something substituted for people...