The real world around you is just as marvelous as your imagination.
The oldre brother takes the younger to a walk. Along the way, the younger cannot stop asking his big brother if their place has these things which are seemingly cool and interesting. Though the big brother keeps denying, there is, actually, a treasure buried deep down under their world. Great things are right around you, and you just need to find them.

The creator of this series ，Da Wu, a slash youth born after 1990, majored in computer science at university. However, he is an imaginative picture book author who began to publish his works in 2014 and now lives in Guangzhou.