The discography of Japanese musician Yuna Ito consists of three studio albums, one compilation album and nineteen singles. Her debut album, Heart, was released in 2007 after six singles, including one of the two theme songs for the film Nana, "Endless Story" (2005), which also featured Ito in her acting debut, as well as "Precious" (2006), the theme song of the film Limit of Love: Umizaru. Both of these songs were very commercially successful, becoming certified Million by the RIAJ.