The Canada Goldenrod, a non-native plant, rapidly grows in many areas all over Japan. Wakamura seems to be allergic to the pollen, but he soon finds out there is more to this plant than the sneezing.

Superhumans are now divided into two groups, and every superhuman is forced to choose a side. Jirou, as a beast, leads the war against humans, and now Kikko must face him—all according to Satomi's plan.