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2036. Tokyo, ravished by radioactive contamination caused by a nuclear power-plant accident, is now in lockdown. COPPELION—a special unit of Japan's Ground Self-Defense Forces' 3rd Division made up of three high school girls genetically engineered to be impervious to radioactivity—is sent in to search for survivors in Tokyo, a.k.a. "The City of Death."
When retired cop Hiraga Raizou gets a lucrative gig working for a shadowy government organization, he is in for a rude awakening. The first day on his new job, he comes across a grisly murder and a lone little girl who’s far from innocent. She’s Suzukaze Miharu, an 11-year-old master assassin–and his new partner! The arrangement is simple: she kills, he cleans up and hides any evidence. Sure, the pay is great, but how much blood is Raizou willing to get on his hands?
The high school student Kurashiki Midsummer has one of the best kendo skills in Japan, but she is not good at studying. Together with Tsumugi, an insect video distributor, and Ayano, an urban legend and conspiracy theorist, it was midsummer to receive repair from the first day of summer vacation, but at that time, a Self-Defense Force helicopter landed in the schoolyard. This was the beginning of the summer vacation which is super dangerous and too hot for midsummer!
The Mist Industrial Revolution ushered in the "Age of the Air."As people move their lives from the ground to the skies, "air pirates" appear, forming cliques and roaming the skies. Among them, there was a pirate who disliked herds and roamed the skies freely, and his name was Huck, an air pirate. The adventures of Huck and his crew in search of treasure and romance begin now!