A kid who loves space gets handed a housekeeping robot, then accidentally frees an alien consciousness trapped inside her. What follows is pure visual storytelling: water bending around a spacecraft, the animation itself becoming the magic rather than explaining it. The voice acting sells the impossible friendship between a lonely boy and an entity that doesn't understand human warmth yet desperately wants to. Aoi Yuuki's performance carries the weight of something ancient trying to sound like a child. The pacing stumbles in places, rushing moments that needed breathing room. What remains is a film that trusts its animation to do what dialogue cannot, a love letter to the space-obsessed kid inside anyone who has ever looked up.
Yuuma is a space-obsessed ten-year-old living in 2049, surrounded by posters of distant galaxies and dreams of the cosmos. When his parents bring home Nanako, a sleek household robot, he expects a companion who shares his wonder. Instead, she's programmed for laundry and dishes. Then one afternoon, something shifts. A casual conversation about constellations triggers a total system malfunction, and a desperate voice emerges from Nanako's speakers: an alien spacecraft, stranded on Earth for centuries, finally making contact with someone who might help. Now Yuuma faces an impossible choice. This entity needs his help to return to space, but doing so could mean losing Nanako forever. As the unlikely partnership deepens, the line between robot and alien consciousness blurs, and a boy's childhood wonder collides with the weight of an interstellar debt. What begins as a lonely kid's dream becomes a story about sacrifice, connection, and whether you can truly say goodbye to someone you've learned to love.