fairy-tale book; illustrated storybook
Refers to a genre of short, illustrated prose narratives from the Muromachi period, often with folkloric or supernatural themes. In modern contexts, it can also refer to any book of fairy tales or children's stories.
See also: 伽草子
Many tales like Urashima Tarō are collected in otogi-zōshi.
This picture book is a modern adaptation of an otogi-zōshi.