Ressha Sentai ToQger
She was affiliated with Kirin Pro and started her career in 2001. In 2007, she moved to LesPros Entertainment. In 2008, she changed her name to "Riria". In 2011, she won the Playboy Grand Prix prize at the third Gravure Japan awards. In 2014, she appeared in two tokusatsu series; "Ressha Sentai ToQger" and "". On June 17, 2015, she changed her name to "Riria Kojima". In December 2020, she left LesPros Entertainment. In 2021, she joined Toyota Office.