First volume of Japanese Graded Readers, one of the most well-known series of graded reading books.
This volume contains six level 0 stories, each of 350 words/400 characters.
Every book comes with an Audio CD, and you can also download the MP3 files in the above-mentioned link. All stories are narrated by native speakers.
The texts are written in Japanese and include furiganas.
The colourful layout with its numerous illustrations helps the student understand the stories better.