De wereld kan genezen worden door middel van muziek, en deze drie meiden willen dat waarmaken. Maak kennis met Kana Fujii, Reimi Itsushiro en Hibiki Morishima – drie genezers in opleiding bij de Karasuma Phoniatric Clinic die de kunst leren van het genezen van ziekten en verwondingen van patiënten door te zingen. Ga met ze mee op dit muzikale avontuur vol goedhartige, krachtige wonderen, gezongen om de wereld te genezen.
| Directing | 入江泰浩 | Series Director |
| Writing | 木村暢 | Series Composition |
| Visual Effects | Yukie Akiya | Character Designer |
| Art | Ryou Akizuki | Prop Designer |
| Sound | 郷文裕貴 | Sound Director |
| Art | 妹尾想 | Art Direction |
| Visual Effects | 加藤里恵 | Color Designer |
| Art | 荒木宏文 | Graphic Designer |
| Visual Effects | 小川耕平 | 3D Director |
| Camera | 村上優作 | Director of Photography |
| Editing | 定松剛 | Editor |
| Sound | 高橋諒 | Original Music Composer |
| Costume & Make-Up | Jyu Ishiguchi | Costume Designer |
| Art | 東潤一 | Supervising Art Director |
| Sound | 関根陽一 | Music Producer |
| Writing | 郷文裕貴 | Lyricist |
| Production | 湯川淳 | Executive Producer |
| Production | Maiko Fuchie | Producer |
| Production | 杉本敏和 | Producer |
| Sound | 徳久智成 | Sound Mixer |
| Sound | 古谷友二 | Sound Effects |
| Sound | Yuki Shizuoka | Foley Artist |
| Editing | 柴田香澄 | Online Editor |
| Editing | 塚根結衣 | Online Editor |
| Production | 仲吉治人 | Associate Producer |
| Sound | 高橋諒 | Main Title Theme Composer |
| Visual Effects | 宮原拓也 | Opening/Ending Animation |
| Visual Effects | 入江泰浩 | Opening/Ending Animation |
| Visual Effects | 栗原裕明 | Opening/Ending Animation |
| Visual Effects | シュウ浩嵩 | Opening/Ending Animation |
| Visual Effects | きーくん | Opening/Ending Animation |
| Visual Effects | 小堺能夫 | Opening/Ending Animation |
| Visual Effects | 村田裕脩 | Opening/Ending Animation |
| Visual Effects | 加藤祐子 | Opening/Ending Animation |
| Visual Effects | 斎藤敦史 | Opening/Ending Animation |
| Visual Effects | 阿部美佐緒 | Opening/Ending Animation |
| Visual Effects | Yuto Yoshida | Opening/Ending Animation |
| Visual Effects | 向川原憲 | Opening/Ending Animation |
| Visual Effects | 平山寛菜 | Opening/Ending Animation |
| Visual Effects | 栗西祐輔 | Opening/Ending Animation |
| Visual Effects | Rina Miura | Opening/Ending Animation |
| Visual Effects | 蟹谷憲正 | Opening/Ending Animation |
| Visual Effects | 加藤恵子 | Opening/Ending Animation |
| Visual Effects | Kazuki Yoshida | Opening/Ending Animation |
