This one is a bit out of my ballpark as I can stand very few anime. Parasyte revolves around an interesting premise, that of a human co-existing with an alien(?) parasite. The characters however are not that all interesting. Cue the stereotypical shy red-faced Japanese-uniformed high school girls that show less intellectual diversity and intelligence than the parasites themselves. Of course our protagonist just so happens to be the also very cliche shy mysterious boy that finds himself with "much power comes great responsibility." The camera uncomfortably lingers at some points on the underage female cast, although does not cross the line of indecency.
The government is depicted as semi-competent, albeit naive given their trust of a sadistic serial killer.
Where the parasites came from is barely explored as the episodes cover the misadventures of the teenage male protagonist. By the end, it seems, oddly so, that society is just moving on, apathetically, from the terrors that previously inflicted them. Despite having an ability to detect parasites, they seem to overlook the protagonist, possible due to him passing the "hair test" theorized before.
What saves this series from being a mundane brainless and cliche-ridden high school fantasy is the wonderfully animated body-splitting parasites that remind me much of The Thing and Dead Space. The drama of living with the parasite is interesting at first, but does tire out. The series would have been better being much shorter and without the auto-tune incessant vocal soundtrack. The somewhat interesting comparison of the parasites and humans also adds to the watchability of the series. Overall it is a good decent watch, but nothing outstanding or super memorable.