In an exciting development for fans of Japanese literature and cinema, the novel "Koi ni Itaru Yamai" by Yuki Ayasaka is set to be adapted into a live-action film, directed by the acclaimed Ryuichi Hiroki. The film is scheduled for nationwide release on October 24, 2025, and has already generated significant buzz with the recent release of a secret teaser video featuring the voices of the main cast.
The original novel, published by Media Works Bunko/KADOKAWA at the end of March 2020, quickly gained traction on social media, particularly TikTok, where it amassed over 2 million views on book-related accounts, leading to an impressive 28 reprints. The story revolves around a poignant love narrative between Miyama, a shy high school boy, and Kei, a popular girl in his class. Their budding romance is complicated by darker themes, including a classmate's mysterious death, attempted suicide, and troubling suspicions surrounding their relationship.
Ryuichi Hiroki, who previously won the Best Director award at the 46th Japan Academy Awards for his work on "Tsuki no Michi Kake," brings his expertise to this adaptation, promising a captivating blend of romance and mystery. The film's teaser video opens with breathtaking aerial shots of the sea, interspersed with intimate glimpses into the daily lives of Miyama and Kei. It hints at their innocent first love but also foreshadows the ominous events to come, culminating in a haunting image of a corpse floating in the water.
While the lead cast portraying Miyama and Kei has yet to be announced, the anticipation surrounding the film is palpable. The teaser showcases the emotional depth of the characters, suggesting a narrative that balances the sweetness of young love with the weight of tragedy. As the camera draws closer to the water, the tension builds, signaling that their romance will be tested by unforeseen circumstances.
Yuki Ayasaka is not just a novelist but a rising star in the literary world, known for her ability to weave intricate plots that cross genres. Her previous works have received critical acclaim, with titles like "Rakuen to wa Tantei no Inai Nari" nominated for prestigious awards and "Hoshi ga Hito o Aisukoto Nakare" winning the 4th Bookstore Grand Prize for Adult Romance Novels. Her unique storytelling has resonated with a broad audience, making her an influential voice in contemporary Japanese literature.
The adaptation of "Koi ni Itaru Yamai" is positioned as one of the most anticipated films of the autumn season, described as “the purest and most stimulating love story” of the year. As fans eagerly await the film's release, the combination of Ayasaka's compelling narrative and Hiroki's directorial prowess sets the stage for a cinematic experience that promises to captivate audiences.
With the film rated PG-12, it aims to reach a wide demographic, appealing to both young adults and older viewers who appreciate a blend of romance and mystery. The official website for the film, koiniitaruyamai.asmik-ace.co.jp, provides updates and insights into the production, while the film's official social media account on X (@KiY_movie) keeps fans engaged with the latest news.
As October approaches, the excitement continues to build around the film adaptation of "Koi ni Itaru Yamai." With its intriguing premise, talented director, and the promise of a gripping storyline, this film is set to be a highlight of the fall movie season. Fans of romance and mystery alike will undoubtedly be counting down the days until they can experience this poignant tale on the big screen.