If you loved Fate/stay night: Heaven's Feel III. Spring Song, try Rascal Does Not Dream of a Knapsack Kid
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
You already loved

Fate/stay night: Heaven's Feel III. Spring Song
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Rascal Does Not Dream of a Knapsack Kid
What they share
Theyboth carry the bittersweet, foreign gem, tender mood tags, and they sit in Animation / Drama / Fantasy territory. If that's the register that drew you to Fate/stay night: Heaven's Feel III. Spring Song, the second film will land in a comparable space — through a different lens.
bittersweetforeign gemtender
What Rascal Does Not Dream of a Knapsack Kid is
Sakuta meets his girlfriend’s doppelgänger in a middle-school disguise then gets summoned by his ailing mother who’s just reemerged from isolation. A time-loop romance about second chances and sibling guilt. Kaede shoulders the weight.