Riho Yamazaki's parents were killed as a result of a nightbreed attack. Alone in the world, she became the ward of Tatsuhiko Shido, as well as his secretary. Riho has a big crush on Shido, and is often jealous of Yayoi's attentions, and has become the target of Guni's taunts because of her often naive nature. At first, Riho is unaware that Shido is a vampire, but even after she found out, she stayed on.
Vova
