SF-A2 Miki is a Japanese Vocaloid developed by AH-Software and released for the Vocaloid2 engine. She is portrayed as a youthful, energetic virtual singer with a distinctive red and silver cybernetic appearance. Miki stands out with her futuristic design, symbolizing her digital origins as a singing synthesizer. While not part of an anime series, she plays a significant role in the Vocaloid franchise, providing voice and character for music creators worldwide, and is beloved for her flexible vocal range and unique persona.