About 100 Park Si-Hoo fans took part as extras in filming a scene in January. The shooting took place at a book store in Jong-ro, Seoul. The roughly 100 fans were divided into supporters for character Lee Doo-Suk and opposition of Lee Do-Suk.
The film was remade in 2017 as Memoirs of a Murderer by Yu Irie.
Byung-gil Jung's directorial film debut.