
Koyama Rio, June 2013

November 7, 2012

Her last blog post was on November 8, 2013. Several months later in March 2014, she appeared in a photo on Ueno Suzuka's Twitter, where Ueno mentioned that Koyama was a former NICE GIRL Project! Kenshuusei.
Profile
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- Name: Koyama Rio (小山梨織)
- Nickname: Mario (まりお)
- Birthdate: October 14, 1995
- Birthplace: Tokyo, Japan
- Bloodtype: A
Trivia
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- Her favorite subject is world history.