Conversation so far:
What is Haruki Murakami's writing style?
Most of Haruki Murakami's works use first-person narrative
What else is notable about Haruki Murakami's writing style?
Another notable feature of Haruki Murakami's stories are the comments that come from the main characters as to how strange the story presents itself.

Question: What themes are in his writing?
Self-contained rewrite: What themes are in Haruki Murakami writing?