Changing for the better
Manga
Manga about protagonists that's lives changed for the better due to a change in how they see the world, themselves and those around them, though there are some that must go through hardships before they are able to change.
The change in these protagonists aren't instant and some of the included protagonists take a long time to change or just have a more natural gradual change that is more apparent once you have gotten further into the story.
The change in these protagonists aren't instant and some of the included protagonists take a long time to change or just have a more natural gradual change that is more apparent once you have gotten further into the story.