Natsuki Kiyo

Mizuno Kiyo (水野きよ) is a former member of Sakki no Onnanoko, Hauptharmonie (Shirogane Rin; 銀りん), and Koi wo Suru ni wa Wakasugiru (Kiyomizu Kuroko; きよみずくろ子).

Mizuno joined Koi wo Suru ni wa Wakasugiru in March 2016 as Kiyomizu Kuroko, becoming a founding member, only to graduate with the other members in May of the same year.

Mizuno changed her stage name to Shirogane Rin and joined Hauptharmonie on October 26, 2016, and stayed till their disbandment on June 4, 2017.

Mizuno then joined Sakki no Onnanoko, as, on May 23, 2020, and graduated on October 31, 2020.