​Escape the chaos and dive deep into the world of desire and insanity on Ooshima island. In this thrilling episode, witness the resurgence of UNKNOWN – LEVEL 4, an infectious disaster that has turned the once peaceful island into a living nightmare. As infected individuals roam the city, violence becomes the norm. Join protagonists Makoto, Ayatsuki, Ayanagi, and Taya as they embark on a treacherous journey through the forest, desperately trying to save themselves from the clutches of the infection. With the infection spreading rapidly and infected creatures lurking in the shadows, will they reach their destination, the shrine where their only hope resides? Brace yourself for a heart-pounding adventure in this action-packed hentai video.​