A pair of Gold Coast teens are among the finalists in the 13th Japan Bishojo Contest, a beauty and talent pageant for young women that has been the launching pad for some of Japan’s top female performers over the past 25 years. Aussie-born Gold Coast residents Ayano Wakayama and Runa Takahashi are among the 21 finalists in the contest to be decided in Tokyo on Aug. 25, 2012. The contest is open to young women aged 13 to 20 who want to become a star. Among the previous prizewinners in the contest who have gone on to become prominent performers…