Seiko Miyoshi

Seiko Miyoshi (三善 征子, Miyoshi Seiko) is the mother of Shinichi Chiaki who retained custody of Chiaki after her divorce with Chiaki's father. She and Chiaki lived in Europe for several years during Chiaki's childhood, during which Chiaki became Viella's student, before they returned to Japan. She is frequently away from home on business and does work involving culture and music. She takes a liking to Megumi Noda, especially after she cured her son of his phobia. She is respected by the students in Chiaki and Nodame's boarding house as their patron and is referred to as "Madame Seiko."