This is the literalization of the fantasy. The audience isn't just watching a hero slay a dragon; they are watching a version of themselves escape the corporate hierarchy and the tyranny of time.
The title says it all: Return to being a brat, and do it over properly. gaki ni modotte yarinaoshi
Putting it together, the phrase translates to: This is the literalization of the fantasy
This guide will cover the premise, why it stands out in the "redo" genre, its tone, and who would enjoy it. and who would enjoy it.