If you loved Strike Witches the Movie, try Fate/stay night: Heaven's Feel III. Spring Song
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

Strike Witches the Movie
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Fate/stay night: Heaven's Feel III. Spring Song
What they share
Theyboth carry the tender mood tag, and they sit in Action / Animation / Fantasy territory. If that's the register that drew you to Strike Witches the Movie, the second film will land in a comparable space — through a different lens.
tender
What Fate/stay night: Heaven's Feel III. Spring Song is
A trilogy wraps up with magical martial arts and a hero stuck in emotional quicksand. Shirou and Rin try to stop the Holy Grail War while Sakura’s inner darkness threatens to swallow everything—and Zouken still can’t keep his hands to himself. Someone finally gets a song that isn’t a theme.