Mono no aware in Japanese refers to an ephemeral sense of deep feeling or sensitivity. It occurs in slice-of-life narratives.
The Western writer who captures this concept almost as well as Japanese manga and anime writers is Alexander McCall Smith.
In the book Tea Time for the Traditionally Built of the No. 1 Ladies Detective Agency series, Mma Ramotswe feels a sense of unease when her husband sets out on a trip away from home. There's no reason for this unease and, as we learn later, he completes his journey safely. She is suffering from the very human uncertainty that we all suffer at one time or another.
She eats dinner with Mma Matsuki, her assistant and good friend. She leaves to drive home, and her earlier unease floods back. What will happen when she returns home? Will he be there? Will he be late?
Her gate appeared before her, and beyond that, in the beam of the headlights, the four small pillars of her verandah. She swung the van round to negotiate the turn into the short drive and as the beam of the lights moved around she saw the back of the truck, the lights still glowing red. The other vehicle's lights went off, but it was now illuminated in her headlights, and she saw Mr. J.L.B. Matekoni step out and dust off his trousers, as he always did when he alighted from his truck. And she stopped her van where it was, some yards short of its normal place at the side of the house, and she got out and ran to him, the lights of the van still burning--to show the world, if anybody was walking in that darkness along Zebra Drive, if anybody cared to look, the reunion, after one day away, of a man and his wife, of Mr. J.L.B. Matekoni, returned safely from Lobatse, the finest mechanic in Botswana, and Mma Ramotswe, his wife, who loved him more dearly than she had ever loved anybody else before...