Japanese law requires that genitalia be pixelated (mosaic) in commercial adult games. However, “raw” in some circles implies that the mosaic has been technologically removed by fans (or that the game was from a small circle that didn’t comply, which is legally grey). For collectors, the “raw uncensored” version is the holy grail.
The manga is noted for its gritty, detailed art style that emphasizes the "raw" and visceral nature of survival. rengokujima ~kyokuchi renai~ raw