Female
Birthplace: Fukui Prefecture
Zodiac: Capricorn
Blood type: O
Favorite color: Purple
Favorite food: Japanese Food
Most respected mangaka: Osamu Tezuka

Same person as Taishi Zaou (蔵王 大志). The Zaou pen-name is used for boys' love series and yaoi doujinshi, while Mikiyo Tsuda is used for her more "normal" shoujo manga series... and occasionally some girls' love titles as well.

She works frequently in collaboration with the manga-ka Eiki Eiki, with whom she shares her website. She often represents herself as a teddy bear, while Eiki Eiki represents herself as a black rabbit.

Blog: http://blog.livedoor.jp/eiki2/ (with Eiki Eiki)