From Longman Dictionary of Contemporary Englishstorybook ending/romance etcstorybook ending/romance etcHAPPYan ending etc that is so happy or perfect that it is like one in a children’s story SYN fairytale It would have been storybook stuff if he had won the competition. → storybook
Examples from the Corpus
storybook ending/romance etc• Well, so much for a storybook ending. 