You spend the first ten minutes arguing with the screen about why three high schoolers are strolling through a radioactive Tokyo in pleated skirts and no masks, and then you stop caring because GoHands has drenched the ruins in so much teal bloom and lens flare that the dead city looks like the most beautiful place in anime. This is a show where the real special effect is silence: vines swallowing recognizable Tokyo landmarks, water pooling in stairwells, a distress signal ticking in a place nobody should be alive. Ibara carries the whole squad on her back while Aoi cries through every crisis and Taeko keeps her medical bag zipped like it's a religion, and somehow that dynamic works. The survivors are the gut punch, people who chose to stay in the exclusion zone and made peace with dying there. Twenty years of abandonment, and the most human thing in it is a girl who was engineered, not born, refusing to leave anyone behind.

Twenty years after a nuclear plant meltdown, Tokyo is a radioactive ghost town sealed off from the outside world. When a distress signal comes from inside the city, the Self Defence Force sends in three high school girls from the special unit Coppelion. Genetically engineered to resist radiation from birth, Ibara, Aoi and Taeko walk the silent streets without protective gear, finding the last survivors so army helicopters can evacuate them. As the work goes on, the girls begin to wonder what their immunity says about their own humanity.