The graphics and sprites are amazing, very well polished.
To be fair I didn't play long since this is not my type of game. I did however notice a bug in the street fighter minigame, whatever I did I could not see my character nor press any of the arrow keys (playing on windows). After that I stopped playing (not because of the bug, just because I wasn't vibing with it).
Startup was very smooth, I did notice the choose your name screen was untranslated (still in German) but that was the only such bug I encountered. I liked the option to play the sequel if desired but I didn't try to do so.
Without playing the prequel, the story start felt a bit random and like a slog, a lot of infodumping with very little agency or story-beats happening. Again, not my genre so I don't know if that is normal or not? It was only the very start but very quickly I didn't feel like reading everything anymore. The short narrated part in the beginning was also the only narrated part? For me that narration was unnecessary since I read faster anyways but that's just my opinion of course
I wish you the best of luck with further development!