It is the second of only two films to date to receive an R20+ rating in Japan, the other being Grotesque (2009).
In the U.S., one minute had to be cut for an NC-17 rating.
The film has been banned in only 7 countries.
The film was banned in Norway for sexual representation of children and extreme violence in a fictional medium. It's one of the few films banned in the country since Ichi the Killer (2001) and Grotesque (2009).
As of 2016, only a few countries have issued a rating for the uncut film. Others have required substantial cuts or banned the film altogether.