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Movies like Vega (1968)

As the daughter-in-law of a prestigious family, she had to live in a tearful marriage with strict mother-in-law and a young husband. Her husband, who had grown up in the meantime, returned home with a Japanese woman on her way home from studying abroad, and demanded a divorce from her. Her wife complies with her husband's request and agrees to her divorce, but when the Japanese woman learns that he is her husband, she returns to Japan. He is not healthy from drinking too much, but her wife is devoted to her husband, and only then does her husband shed tears of penance in front of her.