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.
| Writing | 木村暢 | Series Composition |
| Directing | 入江泰浩 | Series Director |
| Visual Effects | Yukie Akiya | Character Designer |
| Visual Effects | 加藤里恵 | Color Designer |
| Visual Effects | 小川耕平 | 3D Director |
| Editing | 定松剛 | Editor |
| Art | あきづきりょう | Prop Designer |
| Sound | 郷文裕貴 | Sound Director |
| Camera | 村上優作 | Director of Photography |
| Art | 妹尾想 | Art Direction |
| Art | 荒木宏文 | Graphic Designer |
| Costume & Make-Up | 石口十 | Costume Designer |
| Visual Effects | きーくん | Opening/Ending Animation |
| Production | 渕江麻衣子 | Producer |
| Visual Effects | 加藤恵子 | Opening/Ending Animation |
| Visual Effects | 吉田一喜 | Opening/Ending Animation |
| Sound | 高橋諒 | Main Title Theme Composer |
| Visual Effects | 村田裕脩 | Opening/Ending Animation |
| Sound | 関根陽一 | Music Producer |
| Sound | 徳久智成 | Sound Mixer |
| Editing | 塚根結衣 | Online Editor |
| Production | 仲吉治人 | Associate Producer |
| Visual Effects | 宮原拓也 | Opening/Ending Animation |
| Visual Effects | 阿部美佐緒 | Opening/Ending Animation |
| Visual Effects | Yuto Yoshida | Opening/Ending Animation |
| Visual Effects | 平山寛菜 | Opening/Ending Animation |
| Sound | 高橋諒 | Original Music Composer |
| Art | 東潤一 | Supervising Art Director |
| Production | 杉本敏和 | Producer |
| Visual Effects | 加藤祐子 | Opening/Ending Animation |
| Visual Effects | 栗原裕明 | Opening/Ending Animation |
| Production | 湯川淳 | Executive Producer |
| Visual Effects | シュウ浩嵩 | Opening/Ending Animation |
| Visual Effects | 小堺能夫 | Opening/Ending Animation |
| Visual Effects | 入江泰浩 | Opening/Ending Animation |
| Visual Effects | 斎藤敦史 | Opening/Ending Animation |
| Visual Effects | 三浦里菜 | Opening/Ending Animation |
| Sound | 古谷友二 | Sound Effects |
| Visual Effects | 向川原憲 | Opening/Ending Animation |
| Visual Effects | 栗西祐輔 | Opening/Ending Animation |
| Sound | Yuki Shizuoka | Foley Artist |
| Visual Effects | 蟹谷憲正 | Opening/Ending Animation |
| Editing | 柴田香澄 | Online Editor |