thoroughfare
sun bleached fly
In a world where hair changes color based on emotion, anything can happen. It's hard to hide emotions, for your hair tells the whole world how you're feeling. For example, you might see someone "cute" in the back of a coffee shop, your hair may change to a pink the color of blushing cheeks, it's extremely hard to hide. Red could mean romance, or anger. Pink could mean embarrassment, yellow could mean surprised etc.
Muse A is best friends with Muse B, Muse A and B both start to develop feelings for the other, they each have to find a way to hide their hair. What happens when one of them finds out about how the other feels?