Takako Shimizu also known as Ms.Shimizu. She is Hideki's prep school teacher and Shinbo's lover
In both manga and anime she appear as a young woman with light brown hair and green eyes. She usually wears a pink jacket and white pants while teaching.
Both in the anime and manga Shimizu is married to a man who is addicted to persocoms something which resulted in a persocom inferiority complex similliar to Yumi's