Hunter × Hunter: Phantom Rouge
"Hunter × Hunter" creator Yoshihiro Togashi wrote the two-part manga to act as a prequel to the film. A collected version of the story, referred to as "Volume 0" of the series, was given to the first million moviegoers. A light novel adaptation of the film was released by Shueisha on January 15, 2013.
Chimera (novel series)
On March 5, 2018, Yumemakura's agency revealed via Twitter that Mamoru Oshii will adapt the novels for screen. A note by Yumemakura in the 13th volume of the novels confirmed that the adaptation will be an anime film, although Oshii's role in the production was not specified. Comic Natalie later reported that he would serve as director.