Just downloading it now, will report back after some messing around.
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Edit;
I'm back, and I played through the demo until it tossed a music video at me and kicked me back to the main menu. Took about 20 minutes or so, and I was a little long due to taking screens and messing about.
Combat system; basic, but functional and kind of fun. There are "ram" style attacks, grabs/grapples, and straight up hits - with trigger button combos used for blocking. There's a system for bonus attributes via the slot machine and the girls, as well as power ups from getting combos and such. Pretty much as you'd expect, here.
Graphics; Looks like Senran Kagura, pretty much - anime characters with basic but decent art.
Audio; voiced script (with decent voices), and non-annoying attack sounds for the most part. Lots of heavy music to amplify the mood, and it works.
Actual gameplay opinion; fun, but Senran Kagura is the better game from Takaki. This feels like it has less of a hook, though the environment destruction
could be it depending on how the rest of the game is. Would buy it if it came over, but it wouldn't be day one.
Here's a post I dropped on TVL with a ton of screens;
http://thevitalounge.net/2016/02/17/uppers-demo-now-available-on-the-japanese-psn/
