Meatball Machine Kodoku

Nobody knows exactly where they came out. Instead, they parasitize in human beings, take good care of them and transform their own bodies into horrible monsters (Necro-borg). The Necro-borg battle each other before another expires. Where did they all come out? To what end? Yuji and Kaoru, whom have dark secrets inside themselves, have trapped in the horrible conflicts of Necro-borg. What will their destiny?