Akimoto started as a lyricist with The Alfee in 1981; he has written lyrics for various artists such as Kinki Kids, Tunnels, Onyanko Club, AKB48, SKE48, SDN48, NMB48, HKT48.
Akimoto hizo su debut como letrista de la canción de The Alfee en 1981, ha escrito letras de canciones de varios cantantes o grupos tales como Tunnels, Onyanko Club, AKB48, SKE48 y SDN48.