Mao Daichi was born on February 5, 1956 in Sumoto, Japan as Mayumi Tada. She is known for her work on R100 (2013), Nihon chinbotsu (2006) and Onna nezumi kozô supesharu (1990). She has been married to Yasumichi Morita since 2007. She was previously married to Ken Matsudaira.