The ‘younger sister’ of our protagonist.
She is a demon from hell, sent to be the ‘buddy’ of Katsuragi during his conquests.
She’s childish and a little flighty. She has an adorable obsession with fire trucks, which always brings an involuntary smile out of me.
Prior to joining the Runaway Spirits squad, she was a janitor. Because of that, she is very good at cleaning and is constantly carrying a broom around.
The manga comes up with a truly atrocious backstory for her, that almost single-handedly ruined the whole series for me. So basically, she’s the physical embodiment of an ancient weapon from hell.