"Kiseijuu: Sei no Kakuritsu," also known as "Parasyte: The Maxim," is a Japanese anime series based on the manga by Hitoshi Iwaaki. The story follows a high school student named Shinichi Izumi, who becomes partially infected by a parasitic alien that takes over his right hand. This unique bond forces them to coexist while facing other parasitic threats. The series explores themes of identity, humanity, and survival as Shinichi grapples with his new reality. As he encounters other parasites that consume humans, he must navigate moral dilemmas and the nature of existence, leading to intense action and philosophical questions.