Detective Galileo is the main character, a supposing genius who also freelance detective work because he had a classmate who is a police detective.
The wrongful killing in this case could so easily be seen as self-defense if not for the interference of a smart person.
It was good if it is put in a Japan context while there is very little violent crimes and police rely on confession to solve crime.
For an international audience, it got a very foreign feel to it as one would find too many plot hole to the story. But it is quite enjoyable to read if one could ignore the obvious plot hole for the moment and let the writer tell the story.
As I watched this in Japanese, it takes me a while to know this is the very same book that the TV drama is based on. So, too bad. I know the ending.