I am not even going to introduce Abunai Sisters, the score and image should tell you what you are in for. However, I need to defend this because honestly, yet again, this is one of those anime that the general consensus will hate for obvious reasons. Though no one wishes to talk the good things about the bottom 100 anime. So I will be a part of the first few.
What I really like about Abunai Sisters is how it has a strange resemblance to cartoons I used to watch in the past, the ones where they are like "CURSE YOU MEDDLING KIDS, AND YOUR DOG". It takes extremely generic "hero" type stories and mixes it with some anime culture namely, the man of culture stuff, the big tiddies. I would call that very inventive, however, there wasn't enough synergy between the two for me to care enough about something like that, because it honestly comes out as jarring fanservice but considering that this was made by a Japanese team then I can't dismiss my earlier point, it is something to think about really. The characters are in the same boat as this too, extremely stupid but the good guys always win at the end of the day. Oh right, this is episodic by the way.
The audiovisual is questionable for sure. It is easy to say 1/10 for visuals but I must say for CGI it isn't that bad, it isn't something that came out of Tenkuu Danzai but it is close, I would say 3/10 because it was borderline annoying rather than actually appalling. It gives it its own style too if you want to look at it that way. The sound is infinitely better, OP was catchy but I would be a liar if I said I didn't want to end my life when I heard it for the 5877th times already. It is like those annoying songs that get in your head and never leaves, the visuals in the OP help that effect making it worse too.
At the end of the day, I actually quite enjoyed Abunai Sisters, it was so dumb and that tiny squint bit of nostalgia that allowed me to sit back and have a laugh at most times. It is honestly understandable as to why people will dislike this but at the same time you have very deep anime is very deep being praised by multiple people for analysis on the same level as I have done relative to the anime at hand. I don't see where the consistency is to then hate on Abunai Sisters. To each their own though.
Overall - 5.1 (5, lowered narrative significance)