The anime revolves around Shinichi, a high school student who becomes infected with a shape-shifting parasite after a strange bug enters his hand. The parasite, named Migi, has a mind of its own and can transform into various forms. Shinichi and Migi form a symbiotic relationship, with Migi granting Shinichi enhanced strength and agility.
As the story unfolds, Shinichi discovers that there are other parasites on Earth, which are taking over human hosts and committing gruesome murders. The parasites are attracted to human brains and can control their hosts' bodies.
Shinichi teams up with other characters, including Tamura, a girl who can detect parasites, and Satomi, a researcher who becomes his ally. Together, they fight against the parasites and try to uncover their origins.
Throughout the series, Shinichi struggles with his own identity and the moral implications of his actions. He also develops relationships with various characters, including his girlfriend, Satomi, and Tamura.
The anime takes a dark turn when Shinichi's parents are killed by a parasite, and he is forced to confront the harsh reality of his new world. The series culminates in a final showdown between Shinichi and the most powerful parasite, which has the ability to regenerate and adapt.
Ultimately, Shinichi emerges victorious, but not without scars. The anime concludes with Shinichi reflecting on his experiences and the lessons he has learned, as he looks forward to a future where he can live in peace with Migi.
Here are the key facts from the text:
1. The protagonist, Shinichi, is a teenager who becomes infected with a mutant hand that has a life of its own.
2. The mutant hand is caused by a parasite that gets into Shinichi's hand.
3. The parasite is an unknown species that arrives on Earth in a kind of capsule and tries to eat the brain and control the body.
4. Shinichi decides to become a hero to fight against the parasites.
5. The parasites can take over a person's body and control their actions.
6. There can be more than one parasite in the same body, and they can change bodies if a person does not have a parasite in their head.
7. The parasites can only move to a new body if it is from the same extremity.
8. Shinichi's parents are killed by a parasite.
9. Shinichi is infected with a parasite that gives him new abilities, such as running at high speed and jumping high.
10. However, the parasite also causes Shinichi to undergo certain changes, such as not being able to wake up for four hours after sleeping.
11. Shinichi meets a girl who can detect parasites and falls in love with her.
12. The government is discussing a way to distinguish between humans and parasites.
13. A researcher is working on a way to recognize and kill the parasites.
14. The protagonist and the researcher team up to fight against the parasites.
15. The protagonist and his girlfriend go on dates, but the parasite is always a threat.
16. The protagonist's girlfriend is kidnapped by a murderer who can see the parasite.
17. The protagonist tries to save his girlfriend but is injured in the process.
18. The murderer is killed, and the protagonist is left to cry and daydream about the events that occurred.