矢口真里
Joined the girl group Morning Musume in 1998. She, along with Mari Yaguchi and Kei Yasuda, formed the second generation of members. While in Morning Musume, Sayaka Ichii was put into the spin-off group, Petitmoni with Maki Goto and Kei Yasuda . Ichii was also part of the Hello Project! Summer Shuffles 2000 group Aoiro 7. She also recorded a folk song album with Yuko Nakazawa.