Here are the most likely you might be referring to:
As this refers to adult content, you will typically find the full metadata, including scene length and high-resolution stills, by searching for the ID "101013-451" on official Japanese adult media databases or the Caribbeancom website. finding the specific technical requirements (like software) needed to extract and join these RAR parts? 101013-451-carib-high-1.part3.rar
Ensure you have the complete set of files (e.g., part1 through partX) in the same folder. Here are the most likely you might be