"I've been facing trouble almost all my life.

My sweet love, won't you pull me through?

Everywhere I look I catch a glimpse of you." 

Trouble, Cage the Elephant

.--

Mina Myoui is in a local band. Sana is very much in love. 

And Nayeon? Well, Nayeon happens to notice Mina, and Mina...notices back. 

The rest of the story? Teens in love, teens out of love, teens anxious and confused and lively and happy.