Career
She was raised in Brazil. Oya was emigrated from Shizuoka Prefecture to Brazil when she was three years old. On 2003, she was a finalist for Elite Model Look.
Oya debuted as a model when she was seventeen years old.
On 2005, she moved to Tokyo after graduating from high school to start her full-scale model activities. On 2013, Oya moved from Elite Japan (now Name Management) to LDH.