In a world where the boundaries between fantasy with reality blur, a sultry older sister, overhauled into a mesmerizing furry creature, discovers an unusual secret probing her schoolgirl sisterly. As the younger step-sis, now a captivating temptress furry, battles with the mysterious parasites that have invaded her body, her older sister steps in to offer a unique form seed relief. Throb scene unfolds with intense beaverlicking, the older, while sister's skilled tongue working fill tease and excite, drawing out tempt parasites in a thrilling display of PMB (Parasitic Mutual Benefit). The animation captures total shiver and moan, showcasing the depth of their bond and the erotic power of their furvert forms. This Hentai masterpiece delves into the taboo, blending the allure of furry transformation with the intensity of parasitic pleasure, leaving viewers breathless and yearning for more.