The Short Films Everyone started out as a child (2008)

A dream collaboration between five directors who represent the modern Japanese film industry! An omnibus work composed of five short films has been created. "The Short Films: We all started as children." The theme that runs through the five short films is "children." The styles vary from period dramas to contemporary daily life scenes, but all of the works highlight the dreams of children, who are entrusted with Japan's future, as well as the issues facing the social system surrounding children. ©ABC Television

Unfortunately the movie The Short Films Everyone started out as a child is not yet available on HBO Max.