I believe the primary purpose of this movie is to, demonstrate how relationships and conflicts are so diverse across individuals, that their perception on a similar matter can never be the same. For that, high marks are awarded.
Kirishima is supposed to be the popular student but never present in the movie physically speaking. His unintentional absence instead is to provide a pivot...and eventually proved to the audience that one's absence could trigger unwanted effects on the togetherness/friendship/reliance on another individual. And the effects can be compounded. The movie repeatedly play the same scenes several times, but at different camera angles and different 'main characters' to illustrate the aforementioned views.
The final scene was a letdown to me as the gathering on the rooftop it was rather unrealistic. but overall, not many movies are able to illustrate well the effect when the plot only happened in such a short span of time.
Kirishima is supposed to be the popular student but never present in the movie physically speaking. His unintentional absence instead is to provide a pivot...and eventually proved to the audience that one's absence could trigger unwanted effects on the togetherness/friendship/reliance on another individual. And the effects can be compounded. The movie repeatedly play the same scenes several times, but at different camera angles and different 'main characters' to illustrate the aforementioned views.
The final scene was a letdown to me as the gathering on the rooftop it was rather unrealistic. but overall, not many movies are able to illustrate well the effect when the plot only happened in such a short span of time.