A Comedy in Front of the Station: University (1965)

#13 in the Ekimae series of films. Set at Todai University, Professor Sakai (played by Frankie Sakai) mentors a group of university hopefuls. Cut to 25 years later, the students have each settled into their careers and cross paths with Professor Sakai's son, a P.E. teacher (also played by Sakai).