Very fun! Great vibes too!
I think the Weak Counter is much stronger than the Strong Counter. The timing is a lot easier (I usually get a Perfect with the Weak Counter, but only Good with the Strong Counter) and it seems to do much more damage if you get a Perfect.
Occasionally the timing would desync for one or two attacks, but it caught back up to itself after that.
Of course, I would like if the game was a bit longer, but I wouldn't be surprised if this was a prototype for something bigger.
Fun stuff!