During my usual check on the Gash Bell official site... I found something interesting...
http://www.websunday.net/gash/movie/eiga.html
(most likely has slight spoilers and such)
Seems that a Gash Bell movie is being made.
the title... and my Babelfishing of the story summary :P
Spoiler:
Gash Bell 1st Movie, Unlisted Demon #101
Story To summer vacation and Mt. Fuji the gouache which is done in picnic. Chasing ブリ which escapes, the gouache which goes to the lake encountered the girl, コトハ. As for コトハ, prediction surfaces having the white book where, in the strange book of the そ the mother of the gouache waits in the cave of the < forest, > you question, the fish revelation! "Being able to meet to the mother? ? Believing prediction, the gouache which it hurries to the cave of the forest it is clear 麿. But as for there with the entrance of the demon boundary, as for those where it waited for 2 people in the demon boundary, it was the demon boundary strongest soldier black horseman!
Hope you don't mind the quality of the summary, like I said, it's babelfished ^^
If you look around that site and the links it gives a bit, you can find a trailer for the movie too, which IMO looks pretty good.
and judging by what it says, it'll be coming out August 7th.