Dead Dead Demons Dededede Destruction

The people of Tokyo live under an alien mothership, which has loomed overhead for three years, sparking the greatest war humanity has faced. The Japanese government's response included mass-producing weapons, leading to controversy and pacifist movements. Amidst this chaos, high school students Kadode Koyama and Ouran Nakagawa try to maintain a sense of normalcy, but ultimately learn that adulthood can be a complex and destructive experience.