In Tokyo, when one gazes at the sky, they see an alien mothership instead of blue skies and hope. Three years ago, the "Invaders" arrived, sparking a massive war with humanity at risk. The Japanese government fought against them but sparked controversy and pacifist movements. Kadode Koyama and Ouran Nakagawa navigate their final days of high school amidst chaos as they learn the harsh realities of adulthood in a world where deceit and destruction reign. They realize that the true threat to humanity lies within itself, not from external forces.
A massive vessel lingers above Tokyo, casting a shadow of impending doom, yet...