Sato the Rabbit: Volume One by Yuki Ainoya

From Enchanted Lion: 

A Horn Book Fanfare selection for 2021
A Chicago Public Library Best of the Best Book of 2021
A 100 Scope Notes Most Astonishingly Unconventional Book of 2021
A 2022 Mildred L. Batchelder Honor Book
A Bank Street College of Education Best Book of 2022
Featured in New York Magazine's 2024 Holiday Gift Guide: Best Books to Gift to Little Kids

Adventure along with Sato the Rabbit as puddles on the ground become doors into the sky and stars fall into his fishing net to light the darkest night.

Do you ever wonder what wonderful things might be hiding in the world that we can’t immediately see? What stories your breakfast would tell you if it could talk, or where your pet would take you in its dreams? Haneru Sato thinks such things, so one day, he decides to find out how the world will change if he changes a little, too. He becomes a rabbit and discovers a world where every corner is a door to somewhere new and the simplest actions lead in unexpected directions. Coming from Japan, this whimsical book is the first in a trilogy.