Career
She competed at the 2004 Summer Olympics in Athens, Greece, wearing the #13 jersey. There she and the Japan women"s national team took fifth place. Oyama played as a wing-spiker.
Toray announced her retirement on 29 June 2010.
She was selected for the national team for the Olympic games in Beijing, but declined due to lumbago. She retired due to back pain on 29 June 2010.
Seitoku Gakuen High School
Toray Arrows (2003–2010).