Koihime Enbu, encrypted data

[Savage]

I found in xentax a script for similar game (company), but of course is not working for this game
http://forum.xentax.com/viewtopic.php?p=86037#p86037

Here is a lot of tools but none is working for this
http://asmodean.reverse.net/pages/tools_index.html

Anyway here is a full and small samples
http://www7.zippyshare.com/v/oz5cs4PJ/file.html (36 mb's)
http://www7.zippyshare.com/v/eOUlokkb/file.html (13kb's -looks a index-)

Thanks!

[Ekey]

Mersenne Twister + XOR