Love on Trial (Japanese: 恋愛裁判, Hepburn: Ren'ai Saiban) is a 2025 romance drama film written and directed by Koji Fukada. Starring Kyōko Saitō, Erika Karata, and Kenjiro Tsuda, it follows a J-pop idol who finds herself sued by her agency for breaking the "no-relationship" clause in her contract.
The film had its world premiere at the Cannes Premiere section of the 78th Cannes Film Festival on 22 May 2025. It was theatrically released in Japan on 26 January 2026 by Toho.
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Plot
The story follows Mai Yamaoka, a rising J-pop idol whose ascent is derailed when she falls in love, violating her contract's "no relationship" clause. After her romance is exposed, Mai finds herself not only vilified by her fanbase but also facing a real-life courtroom battle, as her agency sues her for damages.
Cast
Kyōko Saitō as Mai Yamaoka
Erika Karata as Saya Yabuki
Kenjiro Tsuda as Koichi Yoshida
Yuna Nakamura as Nanaka Shimizu
Yuki Kura as Takashi Mayama
Hinano Sakura as Himena Tsujimoto
Mitsuki Imamura as Minami Miura
Miyu Ogawa as Risa Ōtani
Release
Love on Trial had its World Premiere at the 78th Cannes Film Festival on 22 May 2025, and competed for Cannes Premiere.
The film will be screened in the 'A Window on Asian Cinema' section of the 30th Busan International Film Festival on September 19, 2025. On October 28, 2025, the film was showcased at the 38th Tokyo International Film Festival in 'Gala Selection' section.
It will be released on January 26, 2026 in Japanese theatres by Toho.
Reception
Jessica Kiang of Variety described the film as "a murmured critique of Japanese celebrity culture". Josh Slater-Williams of IndieWire praised Saito's performance as "brings in a few performance details that are palpably drawn from a place of personal resonance".