Rei (ex-Flower, E-girls) Profile & Facts Washio Reina (鷲尾伶菜), currently known by her stage name Rei (伶), is a Japanese singer and model. She is a former member of E-Girls and Flower.  She made her solo debut on October 2, 2020. Stage Name: Rei (伶) Birth Name: Washio Reina (鷲尾 伶菜) English Name: Rachel Birthday: … Continue reading Rei (ex-Flower, E-Girls) Profile & Facts