What inspired the choice to frame the story as a letter to Mr. M?
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Dear Mr. M

Dear Mr. M
La discussion entre lecteurs est ouverte maintenant. Un auteur vérifié pourra intervenir après avoir revendiqué ce profil.
What inspired the choice to frame the story as a letter to Mr. M?
Did anyone else feel uneasy about the moral ambiguity of the characters?
How did the author decide on the pacing to build suspense without losing emotional depth?