Novelist.
Yoko is a housewife who's frustrated by her husband's lack of virility. She finds solace in erotic daydreams, the ministrations of a condom salesman and, eventually, the partner-swapping lifestyle.
A university student travels to a popular resort in the mountains for a summer job as a waiter and becomes romantically involved with an older woman from a wealthy family.
A fishing village is terrorized by a giant whale, and the fishermen are determined to kill it.