Unmasking Phantom Thief G: Butt Detective's Star and Moon Anime Film Reveals Hidden Secrets
Discover the must-watch film hitting theaters on March 20—get ready for an unforgettable cinematic experience!

Butt Detective Franchise's Third Anime Film to Premiere on March 20
Toei Animation has released a new clip from the upcoming "Eiga Oshiri Tantei: Star and Moon" (Butt Detective the Movie: Star and Moon), the third anime film in the popular Butt Detective (Oshiri Tantei) franchise. The clip, shared on Monday, delves into the backstory of Phantom Thief G.
Watch the Trailer
<div align="center"> [](https://www.youtube.com/watch?v=94bQRIUQtXI) </div>Film Details
The movie is set to premiere in Japan on March 20, 2025. The story kicks off with Koala asking Butt Detective to locate a missing relative who vanished during an idol contest. This investigation leads Butt Detective to Stardust Island, where he uncovers a conspiracy orchestrated by the Phantom Thief Academy, led by Phantom Thief G. The organization is advancing a secret plan known as the "Dark Age Plan."
Butt Detective infiltrates Stardust Island disguised as an idol and teams up with Phantom Thief U, who aims to recover the precious Moonlight Stone stolen by Phantom Thief G. The film promises to explore Brown's past in greater depth.
Key Visual
Image via Comic Natalie
Creative Team and Music
The film features an impressive lineup of talent:
- Director: Hiroki Shibata (series director of Butt Detective)
- Screenwriter: Shoji Yonemura (series writer)
- Music Composer: Hiroshi Takaki
- Character Designer & Chief Animation Director: Hideaki Maniwa
- Production Supervisor: Yūnosuke Komamizu
- Editor: Kiminori Yoshida
- Sound Recording: Hiroki Sawamura
- Sound Effects: Ryūta Nakahara
- Art Designer: Ryūtarō Matsuda
- Art Director: Miki Azuma
- Color Key Artist: Aya Mori
- Compositing Director of Photography: Hideki Chiba
The theme song, "Kawaiitte Magic" (Cuteness is Magic), is performed by FRUITS ZIPPER.
Television Anime Updates
New episodes of the Butt Detective TV anime will debut in Japan on April 5, 2025. These episodes will serve as a prequel to the upcoming film.
About the Franchise
The Butt Detective anime first premiered on NHK Educational in May 2018 with three episodes. Additional episodes followed in July 2018, and the series began regular weekly broadcasts in December 2018. Since then, it has released multiple new episodes, including 13 in April 2021.
The franchise's first standalone feature-length film, "Eiga Oshiri Tantei Shiriarty", opened in Japan in March 2021. The second film, "Eiga Oshiri Tantei Saraba Itoshiki Aibō (Oshiri) yo", premiered in March 2024.
Beyond Anime
The Butt Detective franchise, originally based on Troll's picture book series launched in 2012, has sold over 9 million copies. It has also inspired:
- A stage musical (April 2019)
- A Nintendo Switch game (November 2021)
For more updates, visit Toei Films' YouTube channel.
Source: Toei Animation, Comic Natalie