Parasyte

Parasyte: The Maxim is a sci-fi horror anime based on the manga by Hitoshi Iwaaki. It follows Shinichi Izumi, a high school student whose right hand becomes infected by a parasite named Migi. Unlike other parasites that fully control their hosts, Shinichi and Migi must work together to survive against deadly parasites that secretly hunt humans. The story explores identity, humanity, and survival.