Asako Yuzuki was born in Tokyo in 1981. She won the All Yomimono Award for New Writers for her story “Forget Me, Not Blue,” which appeared in her debut novel, published in 2010. She won the Yamamoto Shugoro Award in 2015. She has been nominated multiple times for the Naoki Prize, and her novels have been adapted for television, radio, and film. Butter is her first novel published in English.