Japanese Graded Readers Level 0 are designed for absolute beginners. They use very simple vocabulary and repetitive structures to help new learners build confidence.
Short example (style) "A cat is on the roof. The cat sleeps. A boy sees the cat. The boy says, 'Hello.' The cat wakes and jumps down." (Simple sentences, hiragana, and an illustration would accompany each line.) Japanese Graded Readers Level 0 - Vol. 1 Pdf
To get the most out of JGR Level 0, Vol. 1, learners can follow these tips: Japanese Graded Readers Level 0 are designed for