King appears in the film *Gekijō-ban gdgd Yōseis tte Iu Eiga wa Dō kana…?* as Prince Tomo-kun, a fairy prince residing in the surreal Fairy Forest. He participates in the storyline alongside the three main fairies—pkpk, shrshr, and krkr. In the spinoff *gdgd men's party*, King reemerges as a quest-giver who dispatches his messenger Alpha to summon protagonists Light and Yomi into another world. He assigns them the mission to rescue Princess Melody from a demon lord, establishing himself as an authoritative figure who initiates the central adventure.