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...

After completing the in-store performance that marks their final act as an active band, the members of In No Hurry go their separate ways, each seeking a path to better themselves. Meanwhile, Momo finally crafts a song that captures his long history with Nino, but can he find the courage to ask her to sing it?