Captured and isolated against their will, the Diclonius species are a threat waiting to break free. When a young Diclonius girl, Nyu, escapes from the research facility she was being held in, she manages to find solace in two allies, until danger finds her again, putting everyone at risk. However, her enemies soon realize they're in over their heads as an attempt to subdue Nyu results in unspeakable tragedy. Lynn Okamoto's beloved original manga series, that inspired the anime TV show, is now available in English for the very first time, presented here in a special omnibus collecting three of the four original volumes in one!