Murasaki Yatsu is a demon-slaying ninja in Demon City Tokyo along with the Dark Knight Ingrid. She wields a massive battle axe.
Murasaki Yatsu is one of the main characters from the Taimanin Asagi game series that was created by LILITH. and the character design by Kagami. She's from the spin-off CD-Rom game titled "Taimanin Murasaki ~ Kunoichi Kairai Dorei ni Otsu ~". The game was released in Japan on October 31, 2008. Taimanin Murasaki was later adapted by PIXY into four part anime OVA titled The Dark Knight Ingrid. The anime started releasing in June 2009, and is directed by Tsukasa Kaidou.