Sound Inside The Soul

An ordinary girl, who is invisible unless she speaks to you.
An ordinary boy, who is admired and known by all.
No one would have ever thought that they could be an item. Little do they know, that once they're away from the public eye, they'll be cuddled up in bed watching movies.
In public, they don't dare speak a word to each other, let alone even look at each other.
How will this effect their relationship?