And here is cool vid of Hack9 so go and indulge yourself!
http://www.nicovideo.jp/watch/sm2690104
but you need a nicovideo account in order to view the vid!
I have came across a Cave Storyish game called Hack9 and here is the website for it http://wahiko-web.hp.infoseek.co.jp/infoo.html
and the indiegames webblog for this http://www.indiegames.com/blog/2008/08/random_stuff.html
either way i love to see it get translated or should I learn some Japanese?