Mamiko Takai Born December 26 1966 Obamashi Fukui Japan Is Former Member Of Onyanko Club. She Was Also In Ushiroyubi Sasaregumi With Yukiko "Yuuyu" Iwai. Mamiko Went Solo For A Short Time Scoring Top Ten Hits With "Jonetsu Rainbow" And "Tender Rain" Before Opting For A Retired Married Life.