5 Centimeters Per Second (2007)
starring Kenji Mizuhashi, Yoshimi Kondou, Satomi Hanamura
written and directed by Makoto Shinkai
62 minutes
This movie consists of three stories. The first is about Takaki (Kenji Mizuhashi) and Akari (Yoshimi Kondou). They met when they were in 4th grade. They bonded to the point that others teased them about being married. Her family moves away but they stay in touch through letters. Takaki decides to visit Akari after he learns that his family is going to be moving very far away.
Takaki takes the train to see Akari one day in March. It snows. The train gets delayed but he eventually gets their, hours late. She is waiting for him. They share some food, go for a walk, kiss under a tree, and then spend the rest of the night huddled up together. He goes back home the next day.