Yumi Shimokawara was born in Tokyo. She took an illustration correspondence course with Kodansha Famous Schools in 2001 and later learned wildlife drawing at a KFS school. In 2013, she won the school’s 7th KFS Picture Book Grand Prix. She made her debut into writing and illustrating with Hoshi o sagashi ni (Star Hunting). She has since published Potsu potsu potsu daijobu? (Plip-plop Plip-plop, Are You All Right?) and Osuwari dozo (Have a Seat). She loves animals and currently lives with a white java sparrow in Chiba, Japan.