Talk:Characters/@comment-71.81.89.225-20150106032217/@comment-397235-20150112121749

There's actually a spin off and a sequel both; one was released and the other apparently hasn't been finished yet.

Chances for adaptions are fairly slim though, because each adaption ends differently:

Izumi was a fairly major character in the manga and survived, but gets killed by Keiko Numata in the novel.

Tomohiko is one of the main characters in the novel and manga, but is killed in the anime.

Izumi being there wouldn't make all that big a difference, since like I said she's a minor character in the novel and Ayatsuji had her survive in the manga, but Tomohiko was somewhat important in the novel and I doubt they'd bring him back (and since his last act in the anime was trying to kill Kouichi, it'd be kinda weird and more than a little disgusting if they did and everyone was okay with it).