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Sayaka Minami (南 さやか Minami Sayaka, born December 24, 1983) is a Japanese pop singer. She is member of the J-pop girl group BeForU.
Minami was born in Yamanashi Prefecture on December 24, 1983.
Combined with Miharu Arisawa and Risa Sotohana, two other members of BeForU, the trio is commonly called BeForU Next. Minami released the song "Under The Sky" with PlatoniX. The song was included in Dance Dance Revolution SuperNova and Beatmania IIDX 12: Happy Sky. She left BeForU in 2008, and now goes under the name Aco Tojo (東條 あこ Tōjō Ako).