Shiho Niiyama was affiliated with Aoni Production. Niiyama was famous for voicing Kō Seiya, otherwise known as Sailor Star Fighter, in Sailor Stars and Deedlit from Record of Lodoss War among other character roles (see below). She was also involved in one seiyū group, Virgo, who are the voice actresses of the anime and game, Ojōsama Sōsamō. She was diagnosed with leukemia in 1998, and died of internal bleeding following pneumonia in 2000. She was 29 years old. After her death, her ongoing roles went to Tarako, Satsuki Yukino, Makiko Ōmoto and Junko Noda. Niiyama's last work was the voice of Deedlit in Record of Lodoss War.
