Rino Sashihara
In April 2013, she earned the title of Lifetime Honorary SKE48 Kenkyuusei since she decided to stay as a trainee member for the rest of her career in SKE48. In the 2013 general elections, she placed 24th. In October 2013, Matsumura released her first indie solo single, , which was produced by HKT48 member Rino Sashihara. The single's first press was only released in 1,000 copies, and Matsumura sold all 1,000 singles personally to fans.