CoppelionCoppelion.

Coppelion (Japanese: コッペリオン, Hepburn: Kopperion) is a Japanese manga series written and illustrated by Tomonori Inoue. The story follows three high school girls who were genetically engineered to be impervious to radioactivity and sent to Tokyo after the city was contaminated by a nuclear accident. It was serialized in Kodansha's seinen manga magazine Weekly Young Magazine from June 2008 to May 2012, and later in Monthly Young Magazine from May 2012 to February 2016, with its chapters collected in twenty-six tankōbon volumes.