Butt Detective the Movie: Star and Moon

The story follows Koala as he seeks the help of Butt Detective to find a missing family member who disappeared during an idol contest. The investigation leads them to Stardust Island, a vibrant setting that is not only the contest's location but also the base for the criminal organization known as Phantom Thief Academy. This organization is headed by the elusive Phantom Thief G, who is orchestrating a secret conspiracy titled the Dark Age Plan.

As Butt Detective infiltrates the island disguised as an idol, he teams up with Phantom Thief U, who is on a mission to reclaim the valuable Moonlight Stone from Phantom Thief G. This film not only promises excitement and mystery but also delves deeper into the backstory of one of its characters, Brown, adding layers to the narrative. With its animation style and engaging plot, this film is a continuation of the beloved Butt Detective series.