She is known for having performed theme songs for anime shows such as Prétear, Ai Yori Aoshi, the Ah! My Goddess TV series and the Strike Witches series, as well as for having sung for the Para Para Max CD series.
Yoko Ono | Yoko Kanno | Yoko Ishida | Nobuhiro Ishida | Yoko Shimomura | Yoko Shibui | Ina-Yoko Teutenberg | Yoko Tsuno | Yoko Tani | Yoko Takahashi | Yōko Ōta | Yōko Oginome | Yōko Nagayama | Yoko Kamio | Yōko Ishino | The Ballad of John and Yoko | Junichi Ishida | John and Yoko in 1969 recording ''Give Peace a Chance | Ishida Mitsunari | Dentetsu-Ishida Station | Be My Yoko Ono | Aikō-Ishida Station |
In July 2007, he sang with Hironobu Kageyama, Masaaki Endoh, Yoko Ishida, Kouji Wada and MoJo at Anime Friends, the biggest anime convention in Latin America, in Brazil; it was his first time in the county and he has gone back there to perform several times not only at Anime Friends, but also in other events in other cities, such as Fortaleza and Brasília.