Nue Houjuu is a mysterious and mischievous character from the Touhou Project series, specifically introduced in 'Touhou Hisoutensoku' and 'Undefined Fantastic Object'. She is known as a nue, a mythical creature from Japanese folklore, and has the ability to disguise objects and beings, making them unrecognizable. This power allows her to cause confusion and chaos, which aligns with her playful yet enigmatic personality. In the series, Nue acts as both an antagonist and a playful ally, challenging and assisting other characters depending on her whims. Her unpredictable nature adds an intriguing layer to the storyline.