That Guy and I (1961)

Asada Keiko and Kurokawa Saburo are two young college students. When Keiko visits Saburo's house, she meets his father Kokichi and his mother Motoko. Motoko is a famous hair dresser, who openly flaunts her lover. When Kokichi and Motoko fight, which they do a lot, he routinely threatens to leave but never quite does. A relationship develops between Saburo and Keiko, but Saburo is shaken when his mother tells Keiko the truth about Saburo's past and the secret of his birth.