Already, the humans and Soul Reapers get along, which sometimes includes Ichigo's friendly rival Uryu Ishida as well, but the post-war one-shot chapter will take it to the next level.

Source: https://www.cbr.com/bleach-humanity-soul-reapers-team-up/

As Shoya Ishida contemplates taking his life, he changes his mind at the last minute when he recalls his elementary school days and the events that led him to the dire situation.

Source: https://www.cbr.com/best-anime-movies-amazon-prime/

The most meaningful rivalry, however, is found between Ichigo and Uryu Ishida, who are also classmates.

Source: https://www.cbr.com/how-bleach-embraces-shonen-cliches/