Sore Ike! Anpanman: Kokin-chan to Christmas no Okurimono

Synopsis

During the annual Christmas concert, Dokin-chan, in disguise, rehearses a song with Shokupanman and friends. Kokin-chan wishes to join, but is rejected by Dokin-chan, leading to her usual tears, though something feels different. Dokin-chan's initial anger turns to concern as Kokin-chan flees, prompting Dokin-chan to search for her.