Toxic Super Beasts manga volume 1 features story and art by Nykken.

Protecting the people of Japan meant battling crime within the city, that was until a thick fog shrouded the world in uncertainty. Once it cleared, a colossal creatures loomed where a mountain once stood. One by one, Super Beasts are appearing, each of them leaving a trail of death and destruction. A new organization is formed to combat the supernatural threat, with powerful weapons and wit at their disposal, will the team be able to prevent the extinction of the human race?