Surname possibly Kôzo (?); pupil of Ashikuni (recorded on a print from around 1814); listed as an actor portraitist on the single-sheet broadside (Naniwa shoryû gajin meika annai ("Guide to the many famous contemporary artists of Osaka") circa 1831, where he is identified as Gigadô Ashiyuki and his Osaka address as Doshômachi, Goryôsuji.
A skilled print designer who might have introduced — at least he helped to develop — in Osaka some of the more interesting printmaking techiniques, such as color blocks without outlines and contrasting heavily printed figures against Shijô-style backgrounds.
Pupils might have included Ashiharu(?); Okayodo Ashimaru(?)