One day, Kabo, a primary school student who wrote a fan letter to Song (Keimura Keihi), came to Yanai's house with her grandfather Sauro (Kano Asano).Chang (Miying Imada) and Song greeted each other with a smile, but Kabo looked cold and said mean words.
While Kabo and Ranko (Yushi Kawahiro) are having a good time talking about the topic of the movie, Saruto tells Chang and Song about the painful past that Kabo has experienced and expresses gratitude.