About Risako Sugaya
Risako Sugaya is a former Japanese singer and actress. She first gained recognition when she joined Hello! Project Kids and later became one of the lead vocalists of the girl group Berryz Kobo from 2004 to 2015. She made her first appearance as an angel in the 2002 film Mini Moni ja Movie: Okashi na Daibōken!; she also was one of the featured artists in the movie's ending song as a member of 4Kids. In early 2004, Sugaya became part of the newly formed group Berryz Kobo.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.