Just a simple practice piece based around the idea- what if Shiori lived in a universe like the "My Hero Academia" one where people had quirks?
The Peelian Principles were a set of guidelines for policing set out by Robert Peel in 1829. Even today I think they are still relevant and important. You can read the whole list (just nine) here:
Shiori is one of my original characters, if you were wondering.