The official website for Eiga Meitantei Precure! Fushigina Niwa to Futari no Himitsu ( Star Detective Precure! The Movie: The Mysterious Garden and the Secret of the Two ) revealed the guest voice actors who will play the film's three original characters. The feature film based on the 23rd and current Precure TV series, Star Detective Precure! , is scheduled to open in Japan on September 18, 2026 . Akari Kito (Nezuko Kamado in Demon Slayer: Kimetsu no Yaiba ) is cast as Karin, the girl who holds the key to the story; Nobunaga Shimazaki (Haruka Nanase in Free! - Iwatobi Swim Club ) plays Alan, the fairy who watches over her; and Koki Uchiyama (Toge Inumaki in JUJUTSU KAISEN ) portrays Rain, the fairy client who comes to the CUREtto Detective Agency with a request. While this marks the first appearance in the Precure series for Kito and Shimazaki, Uchiyama previously voiced a guest character named Yuya Kaito in Episode 32 and 40 of HappinessCharge Precure! (2014). The latest clip featuring Karin, Alan, and Rain, played by the three of them, has been released. Furthermore, a new visual has been released showing Cure Answer reaching out her hand to Karin, while Alan and Rain look on.