Hmmm... does the author perhaps have some history with awful coworkers....?
"Man, I sure wish I had a cute little girl living with me who was actually a demon lord and could beat up all these assholes for me... Maybe I'll write a manga about it..."
Everyone who has worked in an office has wished for this, even if only once.
Hard to imagine what Aizawa could have done to attract such a dedicated hatred that even her existing as a ghost is no good for the thing presumably possessing Ange.
Maybe it's the ghost of a fan of a rival idol group. Those superfans can be VICIOUS.
This is why I JUST CAN'T WITH STRAIGHT GIRLS!!!!! They wat to be your BEST FRIEND, and tell you all these FEELINGS they had for you in F@CKIN MIDDLE SCHOOL!!!!! AAAAAARRRRGHHHH!!!!!!!!!!
I may have stumbled onto some repressed childhood memories...
Since she's Chino-chan's Onee-sama, Cocoa Hato wanted Dynasty to use the Incest tag, but Chino is insisting on Pseudo-incest . Both girls are stubborn.
Cocoa -s so insistent on the "Onee-san" thing, I sometimes forget that they're not actually siblings. I don't know how to feel about that....