Sore Ike! Anpanman: Buruburu no Takarasagashi Daibouken!

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The film centers on Buruburu, a cowardly lion who is a member of a clan of treasure hunters. He is given a treasure map by his father. With the help of Anpanman, he sets out on an adventure to prove himself to the other clan members. Baikinman, however, appears and schemes to take the treasure for himself.

(Source: ANN)