[2] She passed the 2nd Sigma Seven public audition held in 2007 while attending Sogo Gakuen Human Academy (Asuka Nishi, Mai Fuchigami and Atsushi Tamaru) and made her debut in 2009.
She played the role of Mayshen Trinden in her debut work, Chrome Shelled Regios.
In 2009, she played the role of Maki Hoshikawa as the main heroine of the video game Tokimeki Memorial 4.
She also actively engages in music activities, such as singing an opening theme under the name of Erio Tōwa in Ground Control to Psychoelectric Girl and singing the theme song for "Tansu Mobile Phone Atsume Thai \ (^ o ^) /", sponsored by the Ministry of Economy, Trade and Industry.
[3][4] On March 21, 2020, Ōgame confirmed that she is married to Nobuhiko Okamoto after Shūkan Bunshun reported he had an extramarital affair with an unnamed woman.