If you loved Heaven's Lost Property the Movie: The Angeloid of Clockwork, try The Moment You Fall in Love
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

Heaven's Lost Property the Movie: The Angeloid of Clockwork
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The Moment You Fall in Love
What they share
Both films are directed by Tetsuya Yanagisawa, and they sit in Animation / Comedy / Romance territory. If that's the register that drew you to Heaven's Lost Property the Movie: The Angeloid of Clockwork, the second film will land in a comparable space — through a different lens.
What The Moment You Fall in Love is
Love is a many splendored mess. Hina enrolls in Sakuragaoka High School to chase her crush Koyuki. Her feelings get entangled with those of her friends, because high school romance is never simple.