In 1947, the secret agency NASS was founded to decode mysterious cosmic signals, triggering Japan’s rapid technological boom. However, in 1986, the ignition of a zero-point energy reactor ripped open a gateway to another dimension, inviting alien life to Earth and plunging the planet into a desperate battle for survival. Amid survivors, Haru allies with Yoshida, a former NASS scientist, and together they navigate a world forever altered, with the hope of saving Earth and those trapped in singularity