I didn't watch the PV prior either, and any expectations I had must either come from "From the makers of TTGL" or baseline anime expectations. (I was originally going to write that I had zero expectations, but that can't be true if Happiness = Expectations - Reality).

Quote Originally Posted by Ryll
It's the school battle anime version of what TTGL was to mecha.
Except that TTGL used its over-the-top-ness more appropriately for better effect.