Chiyoko "Shio" Satō(佐藤 史生Satō Shio) (born December 6, 1952 — died April 4, 2010) was a Japanese manga artist. Satō was a member of the Post Year 24 Group, a group of female manga artists considered influential in the development of shōjo manga. She also wrote under the pen name Sugar Salt(砂糖 塩Satō Shio). She made her professional debut in 1977 with the publication of Koi wa Ajinomono!? in Bessatsu Shōjo Comic. Her definitive works include Yumemiru Wakusei (The Dreaming Planet) and One Zero. Her stories were usually serious science fiction drawn in a "subdued" style.