Alien organisms silently descend to Earth and infiltrate human bodies to survive as lethal, shape-shifting predators. High school student Shinichi Izumi becomes an accidental host, sparking a desperate struggle to protect humanity from an invisible takeover.

Shinichi finds himself in an uneasy partnership with Migi, the parasite that failed to consume his brain and instead settled into his right hand. Together, they must navigate a hidden war against other parasites that view humans as mere sustenance.

As the body count rises, Shinichi faces the psychological toll of balancing his humanity with the cold, alien logic of his companion. He fights to expose the creatures masking their monstrous forms behind ordinary faces before they dismantle society from within.

Follow the survival battle of Shinichi and Migi in this complete psychological sci-fi horror series where humans and alien parasites clash for control.

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