One summer’s day, Usada and Kotora go to the library to do their homework. While Kotora takes her studies seriously, Usada has her head in the clouds. She wanders over to a bookshed deep inside, returning with a big, thick book.
“I found this interesting-looking book!”
Kotora looks back at her quizzically. Suddenly, a slip of paper falls out from the book. The letter reads:
As soon as they read the words, the two are enveloped in a blinding light. When they come to, they’re in a grassy field that they’ve never seen before. At that moment, a white rabbit comes hopping along. He might know how to get back to their own world!
The pair take their first steps into the world of this magical book, in order to go searching for the white rabbit…