Summary: In AD 2008, mankind developed deadly weapons and eradicated most of the Earth and its people. 20 years later, a young boy named Conan and his 'grandpa', one of the last survivors of the devastation, live a peaceful life on Remnant Island. One day Conan rescues a girl on the beach named Lana and learns the true nature of the rest of the world. After Lana is kidnapped, Conan's good nature propels...