Ayase is a Japanese producer, composer, and Vocaloid artist born Keiichiro Tanaka (田中啓一郎) on April 4, 1994, in Ube, Japan. He first drew attention in the Vocaloid scene with intricate electronic arrangements and emotionally direct songwriting, building a style that balances digital production with J-pop melody.
He is best known as the composer and creative force behind YOASOBI, the duo that adapts short stories into chart-topping songs. Ayase’s solo work extends that approach through layered harmonies, dramatic pop structures, and synth-driven arrangements, and he is signed to Sony Music Records. His career bridges Vocaloid culture and mainstream Japanese pop, making him a key name for listeners खोजing modern Japanese music and the artists behind its most recognizable songs.