the world in which all dimensions come from and where the "original" of anything exists. once something in the root world is destroyed so will be in every other dimension.. If I destroy you there you wouldn't exist anywhere else.
Could you please re-upload;
"[2010][FLAT] Utatemeguri(うたてめぐり) [Soundtrack CD + Special Song CD + Update 1.1]" ?
Quite sorry, but RG doesn't work for me.