Shoji Segawa was a quiet and inconspicuous boy, but, for the first time, he is recognized by people after winning the National Middle School Shogi Tournament. At the age of…

In an era where aliens have invaded and taken over feudal Tokyo, a young samurai finds work however he can.

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.