The .7z.002 extension indicates this is the second part of a multi-part compressed file. You usually need all parts (e.g., .001 , .002 , .003 ) in the same folder to extract the full story.
If this is indeed part of the Little Star Story series, the narrative generally revolves around: SS-LilSS-010_s.7z.002
Based on common community tagging, this file likely contains: SS-LilSS-010_s.7z.002
A world often involving supernatural elements or magical girls ("LilSS" can sometimes stand for "Little Sister" themes in specific genres). SS-LilSS-010_s.7z.002