Nana Mizuki became the first seiyuu to have a #1 album on Japan's Oricon album chart. Mizuki's seventh album, Ultimate Diamond, sold 74,000 copies last week. Since Oricon began posting its charts in 1968, no seiyuu have claimed the #1 spot.

Nana Mizuki is a prominent character voice actor in Japan, with roles in a number of fan-favorite titles. Her resume includes roles in Darker Than Black, Naruto, and Shaman King.