The is a fun little game. Love the graphics and the style. 2.5D is always a nice style that, for some reason, still looks good after all these years. The pacing of the game is also nice, and there's a story as well. Good job.
For some suggestions. I think it would be way better if we knew where and when each bento spawns in. Currently, it's down to pure luck if a bento spawns in your vicinity. I circled the whole arena, just not finding a single bento spawn near me for almost half a minute, and that's a bit frustrating. Consider adding something like a pointer or minimap? I would also say needing momentum for a strike feels quite unreliable, and given how floaty the movement is, stealing bentos from enemies felt quite random, and for most of the time, it's not even worth the effort doing so.
Anyway, with all that said, I think this is still quite a nice entry. Good job and keep up the good work!