Megurine Luka (巡音ルカ, Megurine Ruka),[1][2] codenamed "CV03", is a Vocaloid software developed by Crypton Future Media, headquartered in Sapporo, Japan. Its official moe anthropomorphism is a 20-year-old woman. She uses Yamaha Corporation's Vocaloid 2 and Vocaloid 4 singing synthesizer technology. Her voice is sampled from Yū Asakawa. She has performed alongside other Vocaloids at live concerts onstage as an animated hologram projection.