Nino Arisugawa, a girl who loves to sing, experiences her first heart-wrenching goodbye when her beloved childhood friend, Momo, moves away. And after Nino befriends Yuzu, a music composer, she experiences another sad parting! Luckily, Nino reunites with Momo and Yuzu in high school, but things haven't played out the way anyone expected...

Nino takes the stage at the school festival, ready to deliver the message held fast in her heart. Both Yuzu and Momo have composed songs for her, but which piece of music will be the one to awaken her? Meanwhile, Kuro's secret feelings seem to have reached a turning point as well... And is In No Hurry finally ready to take things to the next level professionally?