*The Klein Bottle* by [Japanese] Okajima Jinin Publisher: Chemical Industry Press

When did you start to suspect the world was fake?

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Japan's pioneering masterpiece in virtual reality (VR),

20 years ahead of "Inception"!

A prophetic book by the legendary mystery writing duo Okajima Jūzō, who, with incredible technological foresight, perfectly envisioned a virtual reality gaming device 30 years ago!

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This is a novel with "nightmarish qualities," a rare, immersive, mind-blowing, and uniquely gripping experience comparable to watching a 3D movie. —Senior Mystery Enthusiast Scorpio Piglet

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Akihiko Uesugi had never been so excited—his story was bought by Epsilon R&D, which was about to create a revolutionary new game, "Klein 2" (K2), and he was invited to be a game tester along with a young girl named Risa.

Uesugi was completely immersed in the perfect virtual world created by K2, amazed by its realism and advanced nature. However, as the testing progressed, Epsilon's mysterious behavior made him suspicious, and he kept hearing warnings in the game: "Run away!"

Meanwhile, a girl claiming to be Risa's friend approached Uesugi, telling him that Risa had been missing for days without a trace. But during their search, both began to suspect the other was lying, as their memories didn't match at all...