The Animal Liberation Alliance, an eco-terrorist organization, rescues a pregnant chimpanzee from an animal testing lab—only for it to give birth to a half-human, half-chimpanzee humanzee named Charlie! Fifteen years later, Charlies human foster parents are finally ready to send him to a normal high school, where he makes his first friend: a human girl named Lucy. In the meantime, however, the ALAs stance has become ever more extreme, and now theyre here to drag Charlie into their terrorist plot...

(Source: Kodansha USA)