Hiroko Kurumizawa (胡桃沢 ひろこ, Kurumizawa Hiroko) is a Japanese singer. In 1991, she became a member of Sakurakko Club, together with Anza Oyama, Miki Nakatani, Miho Kanno, and Noriko Katō. Her real name is Hiroko Yamazaki (山崎 裕子, Yamazaki Hiroko).
Source: “Hiroko Kurumizawa”, English Wikipedia (CC BY-SA 4.0), excerpt
