She previously represented by the talent agency Staff-plus.
[2] She graduated from the Toyo Eiwa Junior High and Senior High Part in Nihon University's Gei-jutsu Graduate Film School.
She performed in a high school musical, and in 2003 her acting debut was in the stage play Pure Love.
In 2006, Ohwada served as an image model for the sports club Jexer.
[3] On April 23, 2015, Ohwada announced in her blog that she was five months pregnant, after having a miscarriage two years earlier due to polycystic ovary syndrome.