An adult coloring book illustrated by Mai Takewaki. It is Takewaki's third coloring book from the same publisher.
The main characters are a cat and the sun, which has come down to the ground. The story takes place in Myaotopia, a paradise full of flowers, where the cat and the sun meet the creatures who live there.
The color pages include coloring advice from the illustrator. The book is a 25 x 25 cm square.