The following tool is an archive tool for the fileformat PAK used by Real Life engine for the converted editions of games like: Little Busters converted edition!
It can compress/decompress GIM,CZ1,CZ2 files, edit the dialog and other texts from the Prototype game: Little Busters! CE!. It will not work with all Prototype games, Kanon being an example, but it may do so in the future.