Parasite Dolls Plot Summary: A secret unit of the AD Police, known as Branch, specializes in crimes involving humanoid robots called 'Boomers'. Branch officer Buzz must cope with having a Boomer for a partner, while officer Michaelson finds the line between human and robot to be a thin one. Together they serve to protect a world that is slowly deconstructing around them. Set in the Bubblegum Crisis universe.