Yasuko Sakata 坂田 靖子 is a manga artist who belongs to the Post Year 24 Group. She was born on the 25th of February, 1953 in Osaka, Japan. Her official debut was with the work Saikon Kyousou Kyoku 再婚狂騒曲, published in Hana to Yume in 1975. In the late 1970s and early 1980s, she was involved in the yaoi doujinshi movement, having co-coined the term "yaoi" with Akiko Hatsu. One of Sakata's doujinshi, Loveri, was amongst the very first to be described as "yaoi".