I originally rated this 4.0 but I keep thinking of this story and these characters so I have just updated my rating to 5 stars. 

My rating scale:
5 ⭐️ = perfection

4 ⭐️ = must read

3 ⭐️ = like it, entertaining 

2 ⭐️ = didn’t like, avoid

1 ⭐️ = run. save yourself