This one makes you feel the clock ticking. Matsumoto sets the whole thing in 1999 with a tenth planet closing on Earth, and then makes you watch it through Hajime, an ordinary grade-schooler who loses his house and his father to a lab explosion in the first stretch and gets shipped off to his uncle's observatory. The crush he's been nursing turns out to be Yayoi Yukino, the woman chosen once every thousand years to rule from La-Metal, which is a hell of a way to learn your first love has a job description older than your species. It's the Tale of the Bamboo Cutter rebuilt as apocalypse sci-fi, all long-limbed Matsumoto heroines, silent starfields, and grown-up melancholy aimed straight at a kid's chest. Forty-two episodes of a boy figuring out that the person he loves already knows how the world ends.
An ordinary elementary school boy's life shatters when his father's experiment destroys their home, leaving Hajime orphaned and adrift. He finds refuge with his astronomer uncle, whose observatory becomes his new world. There he reconnects with Yayoi, a girl from the local ramen shop who now assists his uncle with his research. What begins as a shy crush quickly complicates when Hajime discovers Yayoi harbors an impossible secret: she is the Millennial Queen, an emissary sent from the distant planet LaMetal to observe Earth. As the 1990s wind toward their end, Hajime must grapple with the reality that the girl he cares for belongs to another world entirely. Their growing bond becomes entangled with cosmic stakes and shadowy forces that threaten both planets. Mystery deepens as Yayoi's true purpose unfolds, forcing Hajime to question what her presence on Earth really means. This is soft sci-fi drama that balances intimate character moments with larger questions about duty, connection, and whether destiny can be defied. It asks what happens when two people from fundamentally different worlds try to understand each other anyway.