Misao ("chastity, fidelity, honour, faith") was Hiroshi's tutor when his father
Professor Gill was running the Dark Destruction Corps. After the
destruction of the Dark, by Kikaida, Misao and Hiroshi were homeless.
To feed herself and Hiroshi, Misao became a pickpocket. Starting in
episode 25 Misao takes care of both Hiroshi and his younger brother
episodes 15-38, 40-42, 46