As Futaba Yoshioka and Ko Mabuchi begin to close the distance between them, she resolves to tell him how she feels. At that moment, Yui Narumi—someone from Ko’s past in Nagasaki—appears before them. Sharing the same loss, Yui draws close to him in a way Futaba cannot ignore. Caught between what she wants to say and what she witnesses, Futaba is left facing a new uncertainty just as things begin to move forward.