These images were preserved from Phantasy Star III's lead character designer Toyonaka Ozaki's personal website, as well as her independently published character book. Since they were not included in any official publication, these could be considered creator inspired fan art of the game that she officially worked on.
Maia's unofficial character profile
Maia and Lena enjoying each other's company. Dangling from Lena's stick is a rappy which will eventually be cooked.
A festive Maia for the holiday season
Artwork depicting Lyle in his half-dragon form abducting the princess from her wedding with Rhys
Maia and Lena, two brides-to-be of the first generation