The anime sequences were self-produced. The producers actually wanted to use original anime material, but when the Japanese companies found out, that there will be a suicide attempt in the movie, they backed out. Suicide is a national issue in Japan, so they are very sensitive around that subject.
Feature film directing debut for Mihály Schwechtje.
According to the director, Mihály Schwetchje, one of the films biggest expense was the purple hair dry for the main actress.