Ryoko YamagishiRyoko Yamagishi.

Ryoko Yamagishi (山岸 凉子, Yamagishi Ryōko; born September 24, 1947, in Kamisunagawa, Hokkaido) is a Japanese manga artist. She is a member of the Year 24 Group, as one of the female artists who innovated shōjo (girls') manga throughout the 1970s. Her major works include Hi Izuru Tokoro no Tenshi and Maihime Terpsichora.