The emotional Russian lullaby sung by Reze in Chainsaw Man – The Movie: Reze Arc serves as a pivotal character moment, revealing the hidden vulnerability and tragic past of one of the story’s most complex figures. The song, titled “Jane Slept in the Church,” features lyrics penned by the manga’s original creator, Tatsuki Fujimoto, with composition by the film’s composer, Kensuke Ushio.
The scene stands in stark contrast to the bright and cheerful persona Reze initially shows Denji. Set in a rain-soaked, empty school building, the sequence features Reze with an emotionless face, her quiet and hollow voice creating a chilling atmosphere. This moment has become a standout for fans, who note the unsettling gap between the song’s lyrics and Reze’s detached expression, highlighting the duality of her character.
The Song’s Role in Reze’s Story
Reze’s song appears at a critical point in the film, which adapts the beloved “Bomb Girl” arc from the manga. In the story, Reze is a mysterious girl who meets and appears to fall for Denji. She is later revealed to be the Bomb Devil, a Soviet operative who was experimented on as a child and sent to assassinate Denji.
The lyrics for “Jane Slept in the Church” were personally written by Tatsuki Fujimoto, the creator of Chainsaw Man. The music was composed and arranged by Kensuke Ushio, who returned from the television anime to score the film. The vocal performance is by Reze’s voice actress, Reina Ueda.
This scene contrasts sharply with her earlier, happier moments with Denji, such as their time at a café and a festival. The hollow delivery of the lullaby strips away her facade, offering a glimpse of the traumatized child soldier beneath the seductive manipulator. It underscores the tragedy of her character—a person who never experienced a normal childhood and is now using the very tools of intimacy and affection as weapons.
How the Music Complements the Narrative
The film’s overall soundtrack, CHAINSAW MAN THE MOVIE: REZE ARC original soundtrack -summer’s end-, also composed by Kensuke Ushio, features a track named after this song, “Jane slept in the church.” The soundtrack helps weave the story’s themes of fleeting summer romance, betrayal, and tragedy.
The movie’s main theme song, “IRIS OUT” by Kenshi Yonezu, similarly captures the intense and chaotic emotions of Denji’s perspective. Yonezu described his creative process, stating he wanted to focus on the single axis of Denji being manipulated by an extremely attractive and seductive woman.
Kenshi Yonezu said: “I created this song while glaring at the page with Reze’s picture in the original manga open all the time.”
The ending theme, “JANE DOE,” is a duet by Yonezu and Hikaru Utada. This song provides a melancholic and beautiful counterpoint to “IRIS OUT,” further exploring the film’s dark and emotional landscape from a different angle.
Fan Reaction and Lasting Impact
The haunting delivery of “Jane Slept in the Church” has resonated strongly with audiences. Many viewers have pointed to it as one of the most memorable and chilling moments in the film, perfectly encapsulating Reze’s internal conflict and the tragic nature of her relationship with Denji. The scene’s power comes from its subtlety, using a quiet musical moment to reveal more about a character than any battle sequence could.
The inclusion of this original song, with direct creative input from Fujimoto, demonstrates the careful attention to detail in the film’s adaptation. It deepens Reze’s character, transforming her from a simple antagonist into a deeply tragic figure, making her story arc one of the most impactful in the entire Chainsaw Man saga.
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