Sore Ike! Anpanman: Baikinman to Ehon no Lulun

それいけ！アンパンマン　ばいきんまんとえほんのルルン

Synopsis

The film's story centers on Anpanman's nemesis Baikinman, but this time, he attempts to become a warrior of love and courage when he is sucked into a picture book. Inside the book is a large forest where fairies live. Baikinman meets the fairy Lulun, who asks him to defeat an elephant that is rampaging in the forest. Although Baikinman is reluctant, he tries his best to defeat the elephant. However, it is too strong for Baikinman, so he tells Lulun to call Anpanman to help protect the picture book world. (Source: Anime News Network)