Diary of a Mad Old Man (1962, Keigo Kimura)

Utsugi, a seventysevenyearold man of refined tastes who is recovering from a stroke, discovers that, while his body is decaying, his libido still rages on unwittingly sparked by the gentle, kindly attentions of his daughterinlaw Satsuko, a chic, flashy dancer with a shady past. Pitiful and ridiculous as he is, Utsugi is without a trace of selfpity, and his diary shines with selfeffacing good humor.