Time Slip 1923: Mori no Miracle Jishin Taiken

It's September 1st and a girl is riding her motorcycle that her grandpa built for her when she suddenly time slips to 1923, the same day as the Great Kanto earthquake. Here she meets her grandpa as a child and learns how to extinguish the fire of a neighbor's house. It is meant to be an educational film shown at schools.