SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
From Today, It’s My Turn!!: The Movie Plot Summary and Synopsis
Set in 1980s Japan, two students transfer into the same school on the same day and become a duo fighting delinquents.
Source: Wikipedia (CC BY-SA 3.0).