I've seen hentai less creepy than this.

wow this movie starts out really bad and ends up turning into a really interesting story!very good actors and just a creeoy feeling the whole way through.you feel like killing the guy(you'll understand what i mean if you watch the movie....)there is another movie which has about the same story line but looks very less low budget"mientras duermas"-spanish movie as well.this is a great movie!don't be discouraged by the beginning which looks only like a low budget horror(whith a bit of porno voyeurism).just stick whith it and you won't be disappointed!9/10.the movie could have been just a little bit better in quality but otherwise it's great!loved it!