> Kabao-kun is a supporting character featured exclusively in the film *Soreike! Anpanman: Tsumiki Shiro no Himitsu*. His role involves participation in the events surrounding the Block Castle, interacting with figures such as Prince Block and Origamiman. Kabao-kun engages in the narrative concerning the castle's secrets. Alternative phrasing: > Appearing solely in *Soreike! Anpanman: Tsumiki Shiro no Himitsu*, Kabao-kun serves as a supporting character. He participates in the Block Castle events alongside characters like Prince Block and Origamiman, engaging directly with the narrative focused on the castle's secrets.