Futaro Yamada wrote a detective story called “Unko Satsujin” – “Death by Poo” – and this is a reference to it (though there seems to be nothing written about the story in English)
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Futaro Yamada wrote a detective story called “Unko Satsujin” – “Death by Poo” – and this is a reference to it (though there seems to be nothing written about the story in English)