If you are looking for a of the 3D rendering techniques used (such as subsurface scattering or vertex animation), searching specialized CG forums or repositories like Foundry or Crossref for "anime-style 3D rendering" may yield more relevant results.

The Umemaro 3D collection, particularly the "11 Volumes" (often referring to the Umemaro 3D Collection

: Its success led to a decade-long legacy and a direct sequel released years later, expanding the lore of the "Pizza Rat" delivery service. Overview of Umemaro 3D Volumes

which compiles major works from the renowned studio), represents a significant milestone in high-end 3D adult animation. Below is a blog post summarizing the legacy and content of these releases.

: This 11-volume set is best viewed as a retrospective of a specific era of 3D adult content. While the early volumes may feel dated by current standards, the series' longevity and distinct character designs offer a nostalgic and comprehensive experience for fans of the genre. detailed breakdown