Production Companies

KDDI, GYAO, dentsu, Abe Shuji, Kodansha, Nippan Group Holdings, Nippon Television Network Corporation, Robot Communications, Shirogumi, TOHO, VAP, Yahoo! Japan, Yomiuri Telecasting Corporation

Overview

"A constant battle of resistance."

Humanity is under attack by human-mimicking flesh-eating alien parasites. One parasite bonds with his young high school student host, and he convinces the parasite to help him stop the others.