I really love the presentation. It's shorter than I would've expected, but what is there is very polished, stylistically.
To echo another comment, with the exception of the final stage, unfortunately I think that generally it's enough to just not get hit by bullets with each move, and move closer to the goal, and generally a stage will just be naturally solved by doing that. Which is to say, there just aren't many cases where the optimal movement at a specific turn leads to a wrong answer. Some remedies have been brought up, like a turn limit, or forcing each action to be taken in some amount of time (IE playing to a rhythm), though those would kind of fundamentally change the game I think. Also, while they would make the individual actions "harder" or just more interesting, I don't think it would solve the fundamental issue of forward-thinking usually not being necessary. I think that would probably require purposefully incorporating more "wrong answers," and having more obstacles/mechanics besides the fairies, so that there's more unique things to keep track of.
Regardless, I still enjoyed it. Nice work. Sanae gaming