It sounds like you're referring to — likely a continuation or variation of the Rakuen Shinshoku (楽園侵食, "Paradise Erosion") series.
If you are watching this for the story, be aware of the genre conventions: rakuen shinshoku island of the dead 2
The visual identity of Rakuen Shinshoku Island of the Dead 2 is inseparable from its artist, (pen name for a reclusive illustrator who left the industry in 2005). Asahina’s style blends classical ukiyo-e woodblock textures with 1990s anime grotesquerie. The infected women are not merely monsters; they are tragic figures with skeletal elegance—kimonos in tatters, limbs elongating in impossible directions, faces frozen in expressions of ecstatic agony. It sounds like you're referring to — likely
Rakuen Shinshoku: Island of the Dead 2 is the second episode of the adult-themed horror anime series based on the visual novel Shokusai no Shima The infected women are not merely monsters; they