Natsuki Kiyo

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

She joined Koi wo Suru ni wa Wakasugiru in March 2016 as Kiyomizu Kuroko, becoming a founding member, and graduated with the other members in May of the same year.

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

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