Searching for the "raw" (the original Japanese version) is common for this series for a few reasons:
Survival manga thrive on cliffhangers. The English scanlation community often works on a delay, so fans go to the Japanese raws to find out immediately who survived the latest trap. rengokujima ~kyokuchi renai~ raw
The manga title (Purgatory Island: Love in Extremis) has carved out a specific niche for fans of high-stakes survival horror blended with intense psychological romance. If you are searching for the "raw" scans or chapters, you are likely looking to see the latest developments in this brutal world before they hit the English translation circuit. Searching for the "raw" (the original Japanese version)
While many search for "raws" on unofficial aggregators, the best way to support the creators and see the highest quality images is through official Japanese digital storefronts. Look for the title on: BookWalker (Japan) LINE Manga If you are searching for the "raw" scans
We see a shift from survival against external monsters to survival against internal distrust. The gore remains high-impact, but the psychological tension is what’s currently driving the series’ popularity on Japanese digital platforms. Where to Read Legally