Kagerou is one of the the only characters to dislike her own ability, along with Rikako.
She's the first werewolf in a remotely traditional sense to appear in the series.
And interestingly enough she has a serious dislike of how hairy she'd get on a full moon, making her normally far less aggressive than most werewolves.
Her first name Kagerou (影狼) literally means "Shadow Wolf". Her surname, Imaizumi (今泉) is a reference to the Japanese zoologist Yoshinori Imaizumi (今泉吉典), who first researched the Japanese wolf. It's spelled with the characters for "now" and "spring".