- Undisclosed early draft illustrations and artist's comments that can only be found in art books
- Includes "Puppy Boy's Jumbled Episode Cartoon" that can only be found in the art book.
- size: B6 (Japanese comic book size), 34p.
-This art book uses high-quality paper for both the inside and the cover to bring out the color of the illustration.
This art book provides a translation pdf with the QR code inside the book.
(English, Japanese)
This art book is the Korean version.
