Kohaku

Kohaku (コハク, Kohaku) is one of the supporting characters in Yohane the Parhelion.

Background
Dia's assistant at Numazu's administrative office. She's known both her and Ruby since they were very young.

Trivia

 * Kohaku was created exclusively for the Yohane the Parhelion series, as she does not have a Sunshine!! counterpart.
 * Like Ruby and Dia, Kohaku is named after a gemstone, in that case; a Japanese-translated version of "Amber (琥珀, Kohaku)".