Focus on the Hawks

In the not so distant future, a virus has all but wiped out humankind, allowing birdkind to control the world.
The world is divided between the Dove Party, who seek peaceful coexistence with humans, and the Hawk Party, who reject the scourge of humanity.
Under the wing of the Hawk Party there is a certain research institute filled with those who pursue research that may or may not actually be useful!

A Compilation of both Bird version manga & Human version manga
An official spin-off manga of the very popular "Hatoful Boyfriend" by Hato Moa!