Born from a cucumber flower and growing to the size of a fist, Fist Boy ventures outside and encounters various adventures. Along the way, he makes friends with a range of characters, including an acorn, a dung fly, a frog, and a carp, using his intelligence to ensure they don’t harm one another.

Author Lee Youngkyoung brings to life a cast of unique characters and vivid scenes, reflecting a compassionate worldview on life. The original songs composed and sung by the author add a lively and enjoyable dimension to the picture book, making it an even more immersive experience.