Keiko Han is a Japanese actress, voice actress and western astrologer. She sang the theme songs in productions such as Story of the Alps: My Annette and Kazoku Robinson Hyōryūki Fushigi na Shima no Furōne. Han is a fortune teller of western horoscopes. She wrote books on the subject. She is employed by talent agency Never Land Arts, and was previously affiliated with Aoni Production& 81 Produce. She is most known for the roles of Lalah Sune, Saori Kido, and Luna and Queen Beryl.