Many people say this movie is sad- this is correct, but in a different way than one might think. Rather than a loss of a lover, a parent, or a sibling (Graveyard of the Fireflies), this movie focuses on the loss of opportunity; lost chances that are regretted in the end, when they are finally impossible to fix.
If you want a moderately lighthearted anime that will change the way you look at life, friends, time, and existence, go and watch Byousoku 5 Centimeter- you won't regret it.
