Yōko Asagami (麻上 洋子 Asagami Yōko?, born July 10, 1952 inOtaru, Hokkaido) is a Japanese voice actress who is represented byAksent. She is most known for the roles of Yuki Mori (Space Battleship Yamato) and Saeko Nogami (City Hunter). Her married name is Yōko Ōkubo (大久保 洋子 Ōkubo Yōko?).[citation needed] In 1992, she began to study traditional Japanese storytelling kōdanunder the master Teisui Ichiryūsai (一龍斎 貞水 Ichiryūsai Teisui?). By 2004 she had risen to become a star kōdanshi. When she performs as a storyteller, she goes by the art-name Harumi Ichiryūsai (一龍斎 春水 Ichiryūsai Harumi?).