 The film was initially hinted as a new anime project collaboration with Bandai <unk> and Production I.G. The film was officially announced by Production I.G at the 2006 Tokyo Anime Fair . Whether the film would be released theatrically , broadcast on television , or released direct @-@ to @-@ DVD was undecided at the time . The film had a production budget of 360 million yen ( equivalent to US $ 4 @.@ 3 million ) . It was produced in Hi @-@ vision format and was made by the same staff that originally made the TV series . 
