Rou Hayakawa (早川浪) is a main character in SING "YESTERDAY" FOR ME and 1 other title, voiced in Japanese by Natsuki Hanae. The series' music includes "YOURNESS「籠の中に鳥」TVアニメ『イエスタデイをうたって』主題歌", "Kago no Naka ni Tori".