In the blistering heart of 2038’s summer, young Yuma, with eyes shimmering with wonder and curiosity, finds himself consumed by an otherworldly passion for the fabled Arville Comet. With a heart full of audacious dreams and hopes, Yuma daringly treads onto forbidden territory, trespassing onto a neighbour’s rooftop, all for a closer glimpse of the celestial marvel.
But fate has a twist in store. There, in the shadows, emerges Nanako, an ‘autopet’, a cosmic sentinel from the farthest reaches of the universe. As the two join forces, flanked by loyal friends, they unravel a malevolent secret, deeply entrenched in Earth’s heart. A revelation so earth-shattering, it promises to upheave the very essence of the world they’ve always known.