2017/01/28: An issue regarding the front page of /jp/ has been fixed. Also, thanks to all who contacted us about sponsorship.
How about The Tozan RPG - Ginrei no Hasha? I picked up a copy at a flea market a while ago. It's pretty much Ice Mountain Rescue: The RPG. I honestly can't get very far into it due to the language barrier but I'd say it's enjoyable.