死との約束

The exotic setting adds a layer of tension, but I'm curious if it was based on real locations or purely fictional. How did this choice influence the story's atmosphere?

His methodical deductions are brilliant, but sometimes I wondered if the focus on character psychology overshadowed the plot. What were others' thoughts on this balance?

Many characters have hidden motives or secrets, which makes the moral landscape complex. Did this make the story feel more realistic or more morally ambiguous?