1) Save Your Dad

This book reaffirms family love through all the fuss that two fierce children secretly enter their father's company to save their father, and helps us realize what value is unchanged in a complex world. The way of Ja-ram and Gong-ju to simply look at the world might be the wisest way to live in a complex world.This is a book that portrays the busy lives of today's adults in the eyes of children, providing empathy, fun, and enlightenment for both children and adult readers.

2)Save Your Mom

The more the world becomes convenient with the advanced technologies, the more ironic it is that conversations and communication among families are gradually decreasing. That is the reality of our time. It's the same for the family of two kids in this book. Due to the lack of conversations with their busy and tired mom, who often goes straight to bed when she comes home, they misunderstand and embark on a grand rescue project to save their mom, who they think is in danger. Can they rescue their mom? Through the chaotic and mischievous adventures of the two troublemakers in the book, readers can discover the importance of love and communication within the family.