Born in Hyogo Prefecture, Sayuri Ueda (上田 早夕里, Ueda Sayuri) is one of the more innovative science fiction authors in Japan. She made her debut in 2003 with Kasei daku barado (Mars Dark Ballad), which won the 4th Komatsu Sakyo Prize. She has published a series of highly original, much discussed works, gaining avid fans not only in Japan but throughout Asia and the West. Karyu no miya (The Ocean Chronicles) won the Hayakawa Publishing “SF ga Yomitai!” Award for Best Japanese SF Novel in 2010, as well as the 32nd Japan SF Award and 10th Sense of Gender Award in 2011. She also writes actively in genres other than science fiction, and in 2018, her historical novel Hametsu no ō (The King of Ruin) was nominated for the 159th Naoki Prize.