I think this shows a lot of promise, but it's definitely quite rough at the moment. Understandable of course, since it is an alpha, and hopefully I can provide some nice feedback so it becomes better in future!
For the good, I liked the whole Scott Pilgrim-esque graphics and animations: very cute and bouncy all-around. I think it showed some solid fundamentals for a good beat-em-up, as I really like the hit-freeze and feedback from punching enemies, as well how you worked in some strategic elements in the moveset, where you can use the punches for combos/damage while using the kick as a spacing tool.
For the bad, I'll admit, there was a lot (though again, it's an alpha):
The worst was probably the enemies, which felt very boring, brainless and generic: they mostly just felt way too spongy and moved way too fast and straight-forward instead of having any personality or interesting patterns to them. Groups of enemies were a problem as well since the game seems to not let you hit multiple enemies with your attacks even if they are overlapping: I can understand if this is intentional but it felt very unsatisfying and frustrating.
Next was the animations and controls. Again, while I generally liked them, there were a couple of stinkers like the kick attack. Also while the controls were alright, there was some stiffness to it and just general jank in the actions/reactions that could be smoothed out. I also spent a long time in confusion in just trying to play the game, not realizing that the controls weren't interchangable, but supposed to be one for one-player and another for two-player (I was trying to use the numpad as player one).
Feedback was another one. While I do like most of the feedback as said before due to the great effects and hit-freeze, there were some oddities like boxes/trash cans having a bloody hit mark/sound for feedback when it makes no sense and having infinite health meaning I couldn't destroy them, and there were also some weird cases where I could hit an enemy that was in the process of dying/exploding (feels like those attacks should whiff).
Again, looking forward to seeing how this shakes up as a huge beat-em-up fan!