|Debut (Light Novel)||Volume 7 Epilogue|
|Appears in||Light Novels|
|Classification|| Regiment Hex|
|Title (s)|| 9th Leader (Regiment Hex)|
Commander-in-Chief (IU) (Formerly)
Witch of Cursed Water
Two Luger P08
Katze is a petite girl with bob styled black hair, crimson eyes, and an eye patch over her right eye.
Katze wears two different kinds of outfits. Her first outfit is a black SS officer uniform with a Nazi swastika arm band, a black velvet tied around her neck, a peaked hat, and an eye patch that is colored burgundy or white with the Nazi swastika. Her second outfit is a woman dress shirt and tie covered by a checkered pattern dress, and a orange peel pattern eye patch.
Katze is a brash person with an apparent hatred for the Vatican as shown with her conversation with Meiya.
Katze had previous battles with Meiya and the Vatican to the point having hatred towards each other. At some point she back the 9th leader of Regiment Hex and the Commander-in-Chief of IU.
- (To Meiya): "You didn't have an armistice at all. You attacked my familiar in Dusseldorf. Peace? The hell are you saying." (Volume 8, Chapter 1)
- (To Meiya): "Yes, this is war! The war with the Vatican I've been waiting for! This amazing chance, I won't let it it go!" (Volume 8, Chapter 1)
- Katze is the complete opposite of Meiya.