Eto Sayaka , First Generation from HKT48 . She was graduate on August 18, 2012 and now she is come back to entertainment wolrd , she started radio personality show on COME ON! FM in Shimonoseki, Yamaguchi Prefecture . Her first broadcast is 5th April . Airing every Friday 19:30~19:45 , and rebroadcast on Saturday 15:00~15:15 .