Was a member of NMB48's Team N und her real name Kotani Riho.
Joined NMB48 as a Kenkyuusei in October, 2010.
Had a Concurrent Position in AKB48's Team A from August 24, 2012 to April 28, 2013. Followed by a Concurrent Position in AKB48's Team 4 from February 24, 2014 to March 26, 2015.
Graduated from NMB48's Team N on February 4, 2016.