When introvert Yuu Haruna transfers to a school in Tokyo, his dull life takes a sharp turn when Fuuka Akitsuki brings music into his world.
Yuu Haruna just moved into town and loves to use Twitter. Out on his way to buy dinner, he bumps into a mysterious girl, Fuuka Akitsuki, who breaks his phone thinking he was trying to take a picture of her panties. How will his new life change now?