Kei Sonezaki

Kei Sonezaki (曽根崎 圭, Sonezaki Kei) is the younger sister of Keiichi Sonezaki.

Etymology

 * The name Kei means "gemstone" (圭).
 * Kei's surname Sonezaki means "formerly, once, before, ever, never, ex-" (曽) (so), "root" (根) (ne) and "cape, peninsula" (崎) (saki/zaki).