Komako Sakai was born in Hyogo, Japan, in 1966. After graduating from Tokyo National University of Fine Arts and Music, Sakai worked at a kimono textile design company.
Komako Sakai is one of the most popular children’s author/illustrators in Japan. She has won awards around the world, including Japan Picture Book Prize, a Golden Plaque at the Biennial of Illustration in Slovakia, and a Silver Griffin in the Netherlands.