Sayaka Isoyama (磯山 さやか, Isoyama Sayaka; born October 23, 1983 in Mito, Ibaraki, Japan) is a Japanese gravure idol, entertainer, actress, and sportswriter who is represented by the talent agency Lifika. She grew up in Hokota, Kashima District, Ibaraki.
Source: “Sayaka Isoyama”, English Wikipedia (CC BY-SA 4.0), excerpt