Sore Ike! Anpanman: Chapon no Hero!  

それいけ！アンパンマン チャポンのヒーロー！

Chapon is a young boy who mysteriously appears in the sky with no memory of his past. He lives with Anpanman and eventually discovers the pleasure of bringing happiness to others. He aspires to become a hero like Anpanman. However, when Baikinman reveals his true origins, Chapon must decide whether his past or his aspirations determine his identity.