Kagerou Imaizumi is a werewolf, who lives in the Bamboo Forest of the Lost. She apparently does not like going out during a full moon, since she gets hairy. She also knows Wakasagihime because she nearly ate her at some point. She is the only known Werewolf in Gensokyo. A person with a calm personality. Even when she transforms into a wolf, her composure isn't lost.
She have dark brown hair with animal ears and tail, she have long nail resemble as claws 