Hastily, they arrived: parasitic aliens that descended upon Earth and shortly infiltrated humanity by burrowing into the brains of weak targets. These insatiable beings purchase full management of their host and are capable of morph into a wide range of varieties with a view to feed on unsuspecting prey.
Sixteen-year-old highschool scholar Shinichi Izumi falls sufferer to one in every of these parasites, however it fails to take over his mind, ending up in his proper hand as a substitute. Unable to relocate, the parasite, now named Migi, has no alternative however to depend on Shinichi with a view to keep alive. Thus, the pair is pressured into an uneasy coexistence and should defend themselves from hostile parasites that hope to eradicate this new risk to their species.
