After years of watching from the wings, a determined young artist sets out to make her place on the world’s stage..

I agree with the others! Keep the word ?wallflower.? While I understand the idea of keeping some of the plot under-wraps to keep a sense of surprise, you still need to include the catalyst/inciting incident. Why now? Why do they want to make their mark on the world stage now? What happened to cause them to want to make their mark? That may suffice.

Have a strong inciting incident with some stakes, but don't drop the "wallflower" trait.

How does our protagonist make the world her stage? Does she meet anybody of significance that helps her along the journey?

What are her views on fame and fortune? How does she deal with all the initial attention?

Something like this can work as a story if there is a lot at stake and with an interesting journey.

I agree with the others.? Don't drop the word "wallflower".? But do include an inciting incident and a specific objective goal.