The "Avi 1.3 GB" likely refers to a digital backup or rip of the original DVD content, encoded in the .avi format with a file size optimized for standard definition playback. Content Analysis

: Specifies the file size (1.3 gigabytes), which is typical for a standard-definition or compressed high-definition video.

Hiyori Shirai is a recognized performer in the Japanese AV industry, having worked with various specialized studios including Glory Quest. Her appearance in the "MAD" series is part of a broader catalog of fetish and themed performances standard for this production house. Further context on the studio and industry Studio Profile AV Industry Terms Glory Quest Production History