Based on the structure "Noeru Natsumi God 031 .avi.006 2", this appears to be the (indicated by .006 ) originally in .avi format. Understanding the File Format

: Files with these naming patterns from unofficial sources may carry security risks. It is recommended to scan such files with reputable antivirus software like Malwarebytes before attempting to join or open them.

: A typical indicator of a duplicate file version, a second attempt at a multi-part download, or a revision patch. The Technical Context: Split Files and Digital Archiving