While a specific public "report" for this exact version is not available in general web databases, these types of archives generally follow a standard structure: General Contents High-Resolution Images
: Many of Niel Studio's sets include both standard and adult-themed (NSFW) content. Specific Themes Niel - Studio Sequel - Set 04.rar
High-resolution images and 4K video files are extremely large. Compression reduces the total size, making it faster to upload to cloud storage or send to clients. While a specific public "report" for this exact
: High-polygon character designs often compatible with various rendering software. NSFW/SFW Variations Niel - Studio Sequel - Set 04.rar