Kagerou Imaizumi is a werewolf and a boss character from the Touhou Project video game series, making her first appearance in 'Touhou 14: Double Dealing Character.' She is the Stage 3 boss and is known for her polite demeanor and mysterious aura. Kagerou lives in the Bamboo Forest of the Lost and is notable for her ability to transform into a wolf during the full moon. Her role in the series is to challenge the protagonist on their journey, adding depth to the game's diverse cast.