A Record of Sweet Murder

• Shiraishi shot it as a near-unbroken single take. The cityonfire review clocks 80 of the 86 minutes as one uninterrupted continuous shot, and notes that unlike Hitchcock's Rope — which hid cuts because cameras of that era couldn't hold enough film — this is a genuine seam-free take.
• Kōji Shiraishi doesn't just direct it, he plays Tashiro, the Japanese cameraman — but you never see him. His are the hands holding the POV camera you're watching through the entire film; he's heard, not seen, which is exactly what makes the one-take conceit work.
• It's a genuine Japan–South Korea co-production with dialogue crossing both languages. Yeon Je-wook plays the killer Sang-joon and Kim Kkot-bi (credited some places as Kkobbi Kim) plays the reporter So-yeon. Runtime is 86 minutes; it opened September 6, 2014 in Japan and September 11 in South Korea.
• It surfaced internationally at Hong Kong FILMART in late March 2014 before its theatrical run, where Variety flagged the finale as 'highly imaginative and emotionally rewarding.'
• This is the same director who made Noroi: The Curse (2005), Grotesque (2009), and later Sadako vs. Kayako (2016) — and reviewers kept noting how much softer and more bittersweet this ending lands compared to his usual cruelty.
• Unearthed Films, a label built on extreme cinema, picked it up for a 2019 US DVD and Blu-ray release, which is part of why its reputation skews 'gore' when the actual film is closer to a bloody single-room stage play.

• The killer's 'sacrifices' may symbolize a twisted critique of modern media's obsession with violence as entertainment, with the reporter serving as both an enabler and a stand-in for the audience's complicity in consuming true crime narratives.

• Some analysts interpret the film's god as a metaphor for nihilism or existential dread, suggesting the killer's rituals are a futile attempt to impose meaning on a chaotic world—a theme reinforced by the ambiguous, cyclical ending.

• The recurring motif of broken mirrors and fragmented reflections could represent the killer's fractured psyche, with the 'record' of his murders acting as a distorted self-portrait that he both fears and reveres.

• The film's title, 'Sweet Murder,' might allude to the killer's warped perception of his acts as a form of art or devotion, blurring the line between horror and beauty—a concept explored in other East Asian horror like 'Audition' (1999).

A South Korean reporter gets a call from the childhood friend she never expected to hear from again: he's broken out of the psychiatric ward he's lived in since boyhood, racked up a body count, and he wants an interview. Bring a Japanese cameraman, he says. The trio ends up trapped at knifepoint in a gutted Seoul apartment, the lens forbidden to stop rolling, while he explains the math of his mission. A god told him to kill twenty-seven people by the time he turns twenty-seven. The last two have to be Japanese. He's almost done.