Heaven's Lost Property the Movie: The Angeloid of Clockwork

Hiyori is a sweet shy wallflower who is infatuated with Tomoki. She joins the New World Discovery Club in order to get closer to her crush, but Tomoki's love of peace and quiet leads him to try and scare Hiyori away with his usual perverted antics. Hiyori remains committed to her cause until a tragic accident changes everything. It seems Hiyori has a mysterious connection to the Angeloids.